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Answer: An atom is the smallest unit of ordinary matter that forms a chemical element, they are like building blocks because they form together to make up everything on this earth.

Explanation:

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Answer:

A. matter

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A

Explanation:

Mass is the measure of matter.

You can take a baseball to the moon and it'll have a different weight but the mass will be the same.

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A. it is testable

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Answer:

A.

E.

G.

I THINK B TOO

Explanation:

Answer:

The answer to your question is true

Answer:

Single celled organism do not contactile vacuoles

Explanation:

The point of the contractile vacuole is to pump water out of the cell through a process called osmoregulation, the regulation of osmotic pressure.

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Explanation:

Phenotype, all the observable characteristics of an organism that result from the interaction of its genotype (total genetic inheritance) with the environment. Examples of observable characteristics include behaviour, biochemical properties, colour, shape, and size.

Answer:

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Explanation:

The above image shows the defined term and in image there is a ray, line segment and point.What is Ray, line segment and point?

1:-Ray is part of line and it is combination of line and line segment that has a infinitely extending and one end end is terminating end and another end is non-terminating. Length of ray can't be measured.

2:- A line segment is a part of line which have two end points. In above figure M and L is a two point so ML is a line segment. The measurement of line segment is called length. It has a fixed lengthy which can easily.

3:- A point is dot on a piece of paper it doesn't have length width or any other dimension. It's helps to find the position or location in a plane. In above figure M and L is consider as a point.What is Ray, line segment and point?

Ray is part of line and it is combination of line and line segment that has a infinitely extending and one end end is terminating end and another end is non-terminating. Length of ray can't be measured. A line segment is a part of line which have two end points. In above figure M and L is a two point so ML is a line segment. The measurement of line segment is called length. It has a fixed lengthy which can easily. Point A point is dot on a piece of paper it doesn't have length width or any other dimension. It's helps to find the position or location in a plane. In above figure M and L is consider as a point.

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Answer:

dry

Explanation:

because dry communities dony have much plant and wildlife because of the shortage of water

Darwin noted that island communities are often missing plants and animals typically found on continents.

Darwin proposed the theory of natural selection. It is the evolutionary change that is significantly based on the differential reproductive success of individuals within a species. He observed this process of natural selection in the Galapagos islands.

Darwin observed that the plants and animals of the Galapagos Islands were the same as those on islands off the coast of Africa with similar environments. Natural selection can cause the spread of an advantageous adaptation throughout a population.

Therefore, Darwin noted that island communities are often missing plants and animals typically found on continents.

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Answer:

When fuels burn they release heat energy and light energy to the surroundings in exothermic reactions known as combustion reactions

Explanation:

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Answer: the hypothesis is the fact she thinks extra fertilizer getting into the ocean is caused by build up sargassum I’m assuming

Explanation:

Hypothesis is an answer to the explanation

Answer:

to live

Explanation:

to make the most of it

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to enjoy it while you have it

Answer:

A new study is shown that volcanic ash reflects sunlight or solar radiation months after the volcanic eruption. The volcanic ash consists of minerals, fragments of rocks, volcanic glass which is larger than 2mm. Those tiny particles reflect solar radiation back to space preventing the radiation to heat the Earth's atmosphere below.

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Answer:

Grapes

Explanation:

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Answer:

White shark bites, parasites, food availability, habitat degradation are among some of the contributing factors threatening the recovery of the species. The greatest threat to a sea otter is the oil spills.

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Extra - Fun fact - Sea otters play a vital role in the health and stability of the nearshore marine ecosystem as a keystone species.

Answer:

White shark bites, parasites, food availability, habitat degradation are among some of the contributing factors threatening the recovery of the species. The greatest threat to a sea otter is the oil spills.

Explanation:

Answer:

B. Stratosphere

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answer is 7

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Answer:

Jellyfish are invertebrates, so they do not have the hard body parts that favor fossilization

There aren't many jellyfish fossils because they are made of soft tissues and they don't have and bones.

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Answer:

A. birth rate is greater than death rate

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Answer:

a

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D. loose layers bond together over time.

Explanation:

The sediment in sedimentary rocks are formed when weather and erosion break down the rock into loose material.

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It is necessary to only change one variable when experimenting, because then you see what happens when that one specific variable changes. If you changed two at one time and your experiment turned out different, you wouldn't know which variable caused the change.

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In an experiment, the change only in one variable possible, because it shows what happens when one specific variable changes.

If both the variables are changed at a time we cannot know which variables cause changes.

A variable is defined as any property, number, or number of items that can be counted or measured.

An independent variable is a singular characteristic, Age is an example of an independent variable.

A dependent variable relies on other variables. For example a grade on an exam is a dependent variable mainly depend on Independent variables.

An intervening variable or mediator variable used to explain a cause or connection between dependent and independent variables.

Control variable remain constant and no effect on other variables. It is used to prevent bias in an experiment.

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Answer: Such constant change has characterized Earth since its beginning some 4.5 billion years ago. From the outset, heat and gravity shaped the evolution of the planet. These forces were gradually joined by the global effects of the emergence of life.

Explanation:

Answer:

1. don’t overwork your memory

2. take care of your body

3. practice makes better

4.type of practice matters

5. what you already know can help you

Explanation:

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