This is extremely vague, but assuming this is regarding concentration gradient in the nervous system, the Sodium-Potassium pump is responsible for transporting sodium and potassium.
Answer:
first drop down:
a. mass
second drop down:
b. weight
third drop down:
a. strength of gravity increases
fourth drop down:
b. weight decreases
The answer is A. Applied forces are the unbalanced forces a person applies to another object to change its velocity or direction or to make it accelerate. When we pull an object towards us, we are increasing it’s velocity, so it’s an applied force.
Answer:
He should make identical stains on T-shirts and see whether different parts of the lemon will remove the stain
Explanation:
