Answer:
Your answer should be A on the first two, and b on the third!!
Explanation:
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Water is less dense as a solid than as a liquid the answer is D
Structures in plant leaves that open and close to maintain homeostasis are called stomata. This is where gases would diffuse in and out of the leaf.
Answer:
a tea bag in water
Explanation:
a tea bag place in a cup of hot water will defuse into the water
Answer:
Bifocal lenses are used for people who are both nearsighted and farsighted. It is common for people who are over the age of 40 to begin to notice a change in their vision and require the need for bifocals. As we age, our eyes begin to have trouble focusing on objects at different distances away.
Explanation:
