Yes, that's a true statement.
The vinegar would tend to diffuse into the agar blocks decreasing the amount of vinegar outside the agar cubes and increasing the volume of agar cubes. Diffusion<span> is the movement of particles (ions or molecules) from an area of higher concentration to an area of lower concentration.
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I'd say
B. Contour Farming
since it's planting on a flat surface and creating w/ridges to help prevent water from taking the crops away
<u>Answer:</u>
<em>It is the biosphere and hydrosphere that interact when a drought causes a wildfire that destroys a forest.
</em>
<u>Explanation:</u>
Hydrosphere consists of all the water bodies of earth like oceans, seas, rivers, lakes etc. a drought occurs due to scarcity of water which affects the hydrosphere. The scarcity of water causes plants and trees to dry up and become more prone to catching fire
Biosphere includes all the living organisms of the earth. It includes plants, trees, birds, insects, animals etc. A drought dries up a whole area and a small fire that starts up somewhere in a forest would then engulf the whole forest.
