The machines that were massed produced during the agricultural revolution
Answer:
the students have been informed they will receive something, but NOT which it is
Explanation:
Based on the information provided within the question it can be said that by signing the informed consent to participate form they have proof that the students have been informed they will receive something, but NOT which it is. Whether it is the actual medical treatment or the placebo, they will not know which it is, only the researchers will have access to that information.
It was an attempt to try to end slavery!!
Answer: Half of you is exactly as old as your mother. That is because the egg from your mother that was fertilized by your dad's sperm, was present in her ovaries the day she was born.
New sperm, on the other hand, is produced constantly in the male testicles. This process takes around 130 days for sperm to be fully formed, ready to die or create a new life.
So, men manufacture new reproductive chromosome-containing sperm every day, whereas women only manufacture their entire lifelong supply of chromosome-containing eggs once in their existence. This, in fact, already happens before they are born.
Quite enchanting if you think about it, actually.
