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Hi Ace22704,
Answer - natural observation
I think this experimental method is a better option because its in a natural environment where the kids dont know whats happening unlike the suveys where you ask them questions which is probably a bad idea because they might feel scared and just change their minds.
Answer:
False
Explanation:
200 billion red and white cells along with platelets
The statement is false.
<h3>What are contraceptives?</h3>
Contraceptives are the drugs that are used to prevent pregnancy. Contraception is a method of using a device or drug to prevent pregnancy. The majority of abortions occur among women who use contraceptives in California.
So we can conclude that the statement is false.
Learn more about abortion here: brainly.com/question/16843838
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All the Cells in the immune system: T-cells, B-cells and NK Cells these are all types of white blood cells. so the answer is C
