The atomic number reflects how many electrons there are, and there must be an equal charge<span>. 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 </span>periodic<span> table, Thallium</span><span>Thallium is the answer to this
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I think it's a little bad that I know this but the first one is sperm pretty sure and the second not so sure but yeah I hope I helped a little
Answer:
Modern light microscope
Explanation:
because light microscope has course adjasment
Answer:
Sexual reproduction
Explanation:
Dud this in Biology last year in 9th grade
The connection is that the Skin receives Vitamin D from Sunlight