Answer quick
what is one way space travel affects the human body?
a) too much blood flows into the upper body.
b) the heart pumps harder with less gravity.
c) too little blood flows into the upper body.
d) the legs get stronger.

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

The model illustrates a process by which a substance is taken up by a cell

20 points and brainlist 1. london has suffered from terrible air pollution for at least seven centuries. why is the city so prone to its famous “london fog? ” what did london do to get rid of its air pollution? 2. why does air pollution cause problems in developing nations more than in developed ones?