Answer:
Cells provide six main functions. They provide structure and support, facilitate growth through mitosis, allow passive and active transport, produce energy, create metabolic reactions and aid in reproduction.
Explanation:
Both fall on the same time ! as air resistance is not there ,so both fa at the same time as the acceleration of gravity is same for both !
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Answer: during photosynthesis plants take in <u>Carbon Dioxide</u> from the atmosphere and release <u>oxygen</u> back into the atmosphere
Explanation:
plants need carbon dioxide to grow and they give oxygen as a waste product which we need to survive
A little trick i learnt: The atomic number reflects how many electrons there are, and there must be an equal charge. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the periodic table, Thallium
2nd choice is the correct one