Can you explain the question a bit more too me? Idk I don’t understand it:)
Answer:
Fn = Shelf
Explanation:
The shelf is pushing the book upwards.
Answer:
The Motor Vehicle Air Pollution Control Act was proposed by an amendment to the clean air act.
Explanation:
The clean air act was started in 1963 by the government of the U.S in order to contamination of the air.
The Motor Vehicle Air Pollution Control Act was amended in 1965, which gave the government rights to set standards against pollution that arose from certain kinds of vehicles.
Second amendment to this Act gave the federal government to take further actions and stop any vehicle that polluted the air.
Because their are less humans who could harm them and less pollution and less predators.
Answer:
If a woman has only daughters then the father must have passed the X chromosome that fertilised the egg each time
