can someone help me with this science assignment

1. NA = Sodium, NA was the chemicals symbols for the element would be NA because in Latin it is natrium for natron in which is sodium in English, Sodium was created by Humphry Davy in the year of 1807. Element name Sodium, Chemical symbol NA atomic number, 11 Atomic mass 23.

2. AG = Sliver, AG was the chemicals symbols for the element would be AG because in Latin it is argentum in which in English means bright and also sliver.  Element name Sliver Chemical symbol AG atomic number, 47 Atomic mass 108.        

For example," "however," and "also" are examples of:

conjunctions

introductory words

nouns

adjective

If a chromosome folds, how is transcription prevented?

Question 2 options:

The DNA region is easily accessible.


The DNA region is not easily accessible.


The RNA region is not easily accessible.


The RNA has already been made.

The corn crop in an area is prone to infestation by larvae from moths that feed on the cornstalks and ears of corn. The techniques used by two farmers to protect the corn crop are described below.

Technique A: Sprayed his corn crop with an insecticide. The insecticide is known to kill all honeybee, butterfly, and moth larvae.
Technique B: Used a genetically modified variety of corn. The plant produces an insecticide which selectively kills only the moth larvae as it feeds on the corn.

Which technique is likely to have less of an impact on the environment?

Technique B because it may help humans who consume corn to fight bacteria
Technique A because it kills a broader variety of insects to protect the corn
Technique B because it preserves the harmless insects and targets only the moth larvae
Technique A because insecticide use is better for preserving the environment.

Movement caused by warmer fluids rising and cooler fluids sinking is called ______________.

im giving brainliest

For her farm, Susan is interested in increasing the number of chickens that lay the most eggs per week. Many of the chickens on her farm lay 6 eggs a week. A few female chickens (hens) lay as many as 8 eggs per week, while other female chickens only lay 4 eggs per week. Describe what Susan can do to increase the number of eggs produced on her farm.

why is compound not a mixture?

Each element has a different:

number of protons and electrons
atomic mass and weight
Properties and characteristics
number of neutrons

Please take your time if needed!

Which is NOT needed to START a wildfire.

1. Wind
2. dry debris
3. oxygen
4. unattended campfire

I'm trying to see if I'm correct, I think it's Dry Debris.

Select all that apply.

Which items are properties of bases?

soapy
sour
bitter
slick
skin damage

Please

What are two results of the uneven heating of Earth's surface?

Elements in the same group have _____.

the same number of electron shells
the same number of protons
similar chemical properties
the same number of isotopes

Describe how the Rube Goldberg device design that you created follows the law of conservation of energy. Be sure to include both parts of the law of conservation of energy in your description.

13. will any of the bulbs light if you open the switch?
14. which bulbs would continue to shine if bulb 1 broke? which would shine if bulb 2 broke instead? Explain.

Imagine that you and your friend are at the beach. You have your chairs and umbrella set up in the perfect spot near the water so you can jump in to cool off with ease. A few hours into your stay, the water line has managed to creep up closer and closer to your chairs and your things start to get wet! Your friend points up at the Moon and says it is to blame. What does this mean? Write a response in complete sentences. plz someone help!!!!!!!

Which 3 characteristics are used to describe all waves, regardless of type? Check all that apply.

Resting Position

Frequency

Trough

Amplitude

Crest

Wavelength

help plsss i need it

The magnetic field of an object exerts a force on any magnetic object around it.

True or False

Choose all the answers that apply.

Nitrogen has an atomic number of 7. Its atomic mass is 14. Nitrogen has _____.

seven electrons
seven neutrons
seven electron shells
23 neutrons
14 electrons

Please help (:

Hydrogen peroxide is commonly used to clean cuts and wounds. Its chemical formula is
H2O2. This compound has _____.

two atoms of hydrogen
three atoms of oxygen
three atoms of hydrogen
one atom of oxygen

Please help, take your time!

GIVING BRAINLIEST!!!

The chemical formula for sulfuric acid is H2SO4. In one molecule of sulfuric acid, there are _____.

two atoms of helium
two atoms of oxygen
four atoms of oxygen
four atoms of sulfur oxide

Please help for my summer school, you can take your time (:

HELP ASAP. GIVING BRAINLIEST

Landon's new toy arrived in the mail covered in foam packing peanuts. The foam packing peanuts have a mass of 30 g and a volume of 60 cm3. What is the density?

2 g/cm3
180 g/cm3
0.5 g/cm3
2

1. What is the affect of increasing the temperature of the water?
2. What happens when you add pollution to the water?
3. Can coral survive bleaching?
4. What is coral?

Sodium chloride (NaCl) is made from ___ of sodium (Na) and ___ of chlorine (Cl).

Blanks: One Atom and Two Atom

Which two changes of state can occur when a substance gains thermal energy A sublimation b depositation c condensation and d vaporization

NEED HELP ASAP!!!!!!!!! PLEASE ANSWER IN 10 minutes or under
What are the two possible benefits of the new plastic bag?

The magnetic field of an object exerts a force on any magnetic object around it.

True
or
False

Explain The process of Photosynthesis according to the chemical formula: Identify: The reactants(input), the products(outputs), and the energy source. **(Hint: Carbon Dioxide + Water = Glucose + Water)