Give the experiment to show that water is necessary for photosynthesis.
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Well, just get two plants. Give one plant water and don't give the other any water. Record the results, how the plant with water and the one without survive.

Explanation:

The one without water should die, because photosynthesis is how plants make food and it does need water.

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igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.