Describe convection currents

Answers

Answer 1

Answer:

it is a process whereby energy moves from one place to another

Explanation:


Related Questions

In which process are glucose and oxygen the reactants?


cellular respiration


photosynthesis


ATP production


ADP production

Answers

Answer:

Cellular Respiration

Explanation:

Respiration = Glucose + Oxygen -> Water + Carbon Dioxide

Which cell makes a pigment that absorbs uv light.

Answers

Answer:

Explanation:Melanin

Answer:

Explanation:

Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred into the keratinocytes via a cellular organelle called a melanosome

WILL MARK BRAINLIEST
What is the biggest difference (other than their size) between a hot air balloon and a “regular” balloon?

Answers

Hot air balloons float because the air within the balloon is heated by a burner, making it less dense than the air around it, allowing the weight to get lifted from below. Gas balloons may be filled with either helium or hydrogen and use sand as ballast.

Explanation:

Which plate is the Eurasian plate?
A. D
B. C
C. B
D. A

Answers

i believe it’s D. :)

EXPLAIN two ways in which a leaf can adapt to maximize of photosynthesis.

Answers

Answer:

"Large surface area for maximum light absorption. The presence of chlorophyll containing chloroplast. Thin structure Short distance for carbon dioxide to diffuse into leaf cells."

Answer:

Photosynthesis is made possible by the adaptations of the leaf, which include a large surface area for optimum light absorption and the existence of chlorophyll-containing chloroplasts.

Explanation:

The two ways are in bold letters:)

a section of a dna molecule that controls the thumb is called a

Answers

Answer:

gene

Explanation:

Determine which situation could NOT be an example of interspecific competition.
A. Two organisms competing for food.
B. Two organisms competing for a mate.
C. Two organisms competing for water.
D. Two organisms competing over territory.

Answers

Answer: it would be D

Explanation:

The situation that could not be an example of interspecific competition is two organisms competing for a mate. Thus, the correct option is B.

What is an Interspecific competition?

Interspecific competition may be defined as an instance of competition between individuals of different species.

The situation of two organisms competing for a mate illustrates an example of intraspecific competition. This is because the two individuals mate with a member of their own species in order to produce fertile offspring.

The individuals of different species do not undergo interspecific competition.

Therefore, the correct option for this question is B.

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as a microbiologist you have been asked to investigate the regulation of a novel gene in a bacterial species. given what is known about bacteria, the logical place to begin your investigation is

Answers

The logical place to begin your investigation is TRANSCRIPTIONAL CONTROL. This field investigates the differential expression of genes.

Transcriptional control refers to the study of how genes are differentially expressed in the genome of cells.

In prokaryotic organisms (e.g., bacteria), genes are expressed in clusters known as operons.

An operon is a group of genes under the control of a single promoter sequence.

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relationship between enzymes and macromolecules

Answers

Answer:

Each macromolecule is broken down by a specific enzyme. For instance, carbohydrates are broken down by amylase, sucrase, lactase, or maltase. Proteins are broken down by the enzymes pepsin and peptidase, and by hydrochloric acid. ... Breakdown of these macromolecules provides energy for cellular activities.

What is an opposing viewpoint to the idea that climate change is real? (no links)

Answers

Well, some could say that climate change is just another phase of earth acting up again because millions of years ago, the earth warmed up to a point where there was practically no ice and we’re just waiting in the process. But err, I don’t know. Most people who think climate change isn’t happening are those who aren’t experiencing it in real time so….

Which choice has prokaryotic cells?


human blood


cow's liver


onion root


E. coli

Answers

Answer:

E coli.

Explanation:

E coli is a prokaryotic organism, meaning it is comprised of only one cell.

I agree with the person above me

Explain how pollution from one location
can affect the environment far away from the
source of the pollution

Answers

Answer:

Air quality is affected by natural processes. Wind can move pollutants from their source to far-away locations. It can still spread and harm living creatures and destroy their environments.

Explanation:

Air quality is affected by natural processes where wind can carry pollutants to places far away from their source which can still spread and harm living beings and destroy their environments.

What is Pollution?

Pollution is defined as the introduction of harmful materials into the environment where the harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash which can also be created by human activity, such as waste or runoff produced by factories. Pollutants harm the quality of air, water and land.

Many things produce pollution such as cars spewing pollutants from their exhaust pipes. Burning coal to generate electricity pollutes the air. Industries and homes generate waste and sewage that can pollute land and water. Pesticides which is chemical poisons used to kill weeds and insects which is seep into waterways and harm wildlife.

Thus, air quality is affected by natural processes where wind can carry pollutants to places far away from their source which can still spread and harm living beings and destroy their environments.

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Nitrites are added to foods to: a. prevent formation of carcinogens. b. change their color. c. improve their nutritive value. d. inhibit rancidity. e. improve their texture.

Answers

Nitrites are added to foods to inhibit rancidity. These compounds are used in the food, chemical and pharmaceutical industries.

Nitrites are conservant that prevent the growth of Clostridium botulinum and Listeria bacteria.

These bacteria (Clostridium botulinum and Listeria) are harmful to human health, thereby nitrites must be added to foods.

In meats, nitrites also exhibit some other beneficial properties which include the pink color, antioxidant properties, and savory flavor.

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Match each part of the brain with the correct label. 2

Answers

Answer:

For the numbers on the brain

1. Forebrain: Telencephalon

2. Forebrain: Diencephalon

3. Hindbrain

4. Midbrain

Explanation: correct

The nuclear equation shows the transmutation of a form of radon into polonium and an alpha particle. In one tho two sentences, explain whether or not the reaction is balanced.

Answers

The equation is balanced because the mass and charge are equal on both sides of the reaction equation.

In a nuclear reaction, one nucleus is transformed into another. In this case of the equation shown, the radon nucleus is being transformed into a polonium nucleus with the emission of an alpha particle.

The equation is balanced because a total mass of 219 is found on both sides of the reaction equation and a total charge of 86. Recall that an alpha particle is the same as a helium nucleus with a mass of four units and a charge of two units.

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According to the text, the main reason that humans are one of the few species to have long, committed relationships is that:

Answers

humans think that they need to connect more than animals for animals it's all about survival making love hard. Animals only think about mating and staying alive. but humans have the time to think about love.  

The main reason that human beings are one of the few species to have long, committed relationships is that: human babies are born before they are completely advanced and for that reason need a number of care.

What defines a species?

Species are characterized by means of the reality that they're reproductively remoted from different organizations, which means that the organisms in a single species are incapable of reproducing with organisms in any other species. The term species also can be described as the maximum fundamental category within the device of taxonomy.

What are the primary predictors of violence?

Many predictors of violent behavior are predictors of different issues, inclusive of substance abuse, delinquency, school dropout, and teenage pregnancy (Dryfoos, 1991; Hawkins, Catalano, and Miller, 1992). The threat of violence is likewise compounded via the number of danger elements concerned.

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Which macromolecule sends messages?

Answers

Answer:

Proteins is a macromolecule that helps to send signals

DNA and RNA are long linear polymers, called nucleic acids, that carry information in a form that can be passed from one generation to the next

hope it helps

Does hypertonic mean out of the cell.

Answers

Answer:

yes

Explanation:

In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol.

DNA molecules separate into single strands which are then used to construct two identical strands of DNA this process ensures genetic

A)consistency
B)variability
C)diversity
D)reduction

Answers

Answer: A)consistency

Explanation:

Steve is running at an average of 3mph. He was out for a run for 3 hours how many miles did he travel? 1a. What formula did you use to solve #

Answers

He has ran 9 miles
Since he was running at 3mph and ran for 3 hours you could write this as 3x3

The process of glycolysis produces 4 ATP total, but we say that the net ATP production is 2 ATP. What happened to the two other ATP molecules

Answers

The process of glycolysis requires two ATP molecules to get started.

__________ encompasses any unwanted or nonconsensual sexual contact.

Answers

Answer:

sexual assault

Explanation:

True or false: Tonic contraction of smooth muscle in blood vessels is important in maintaining blood pressure.

Answers

the answer is true
hope this helps
and i hope i’m right lol

Homeostasis is an organism's ability to _______. a. obtain energy from food b. interact with its specific environment c. maintain a constant internal environment d. survive without water for long periods of time

Answers

Answer:

C. Maintain a constant internal environment

Explanation:

Homeostasis is keeping an internal environment stable.

Which law regulates pesticides and herbicides? a. Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) of 1947 b. Federal Investigation of Fungicide Act (FIFA) of 1947 c. Clean Environment Act of 1949 d. Regulatory Environment Act of 1948

Answers

The law that regulates pesticides and herbicides in the USA is the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) of 1947. This law prohibits the use of certain compounds as pesticides.

The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) law is a regulatory law that provides a suitable federal regulatory framework for the use, distribution and sale of pesticides.

This law (FIFRA) is aimed at protecting pesticide users, consumers, and the environment.

The pesticides used in the USA must be licensed by the US Environmental Protection Agency (EPA).

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(c) In soils that lack oxygen, plants cannot absorb enough nitrates from the soil to grow well. Explain why.​

Answers

Answer:

Explanation:

Plants absorb nitrates in water through their roots. Nitrates are present in high levels in plant fertilisers. Without nitrates, the amount of chlorophyll in leaves reduces. ... This reduces the plant's ability to photosynthesise and grow properly, which reduces the farmers' crop yield .

termination of transcription in bacteria occurs when ________.

Answers

RNA polymerase

Termination of transcription in bacteria occurs when the RNA polymerase encounters specific DNA sequences that lead to stalling of the polymerase. This results in release of RNA polymerase from the DNA template strand, freeing the RNA transcript.

Transcription is the process of synthesizing the RNA transcript from DNA.

The termination of transcription in bacteria occurs when RNA polymerase comes in contact with some particular terminator sequences that stalls the RNA polymerase letting it fall off.

In transcription, there is its initiation (start) and its termination (and end). Unlike humans with stop codons that terminates the process, the bacteria uses a terminator sequence which it transcribes and cause its fall off the DNA and releasing the RNA transcript.

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ayuda por favor doy corona​

Answers

Answer:

Mr est un jeune individu provenant de

Plants undergo both photosynthesis and cellular respiration. Which statement correctly compares photosynthesis and respiration

Answers

Answer:

what where compare please put a picture to yur question next time so we can answer it properly

Explanation:

i hope you will brainliest me

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While you’re waiting for the lactase solution to cool, read the directions on the test strips. The test strips in the Edmentum lab kit will react to glucose within a few seconds. If you use different strips, the reaction time may vary. Now follow these steps to test the solutions. Record your data in the answer space.


Milk and water solution: Fill the first test tube one fourth full of milk. Fill the small graduated cylinder with water and gently add it to the milk in the test tube until the test tube is half full. Use the stirrer to thoroughly mix the solution. Then insert the test strip for 10 to 20 seconds. Look at the test strip, and record whether it changed color. Wash the stirrer.

Milk and lactase enzyme solution: Fill the second test tube one fourth with milk and one fourth with the lactase solution. Use the stirrer to thoroughly mix the solution. Insert the test strip for 10 to 20 seconds, and record whether it changed color. Wash the stirrer.

Milk an

Answers

Milk and lactase have glucose together because the enzyme lactase will break down the lactose molecule so the test strip can see the entire glucose molecule
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