Which of the following environmental changes can cause an increase in the rates of chemical reactions in cells?
a. increased temperature
b. decreased enzyme concentrations
c. increased activation energy requirement
d. decreased diffusion rates

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

i won't lie i don't know so go online and ask google thats what i do

a. population growth is decreasing

-2

+4

-10

-3

-8

-3

so the population decreased by 24 because 3+3+8+10+2=26-2=24.

hoped i !

explanation:

i guess because there isn't enough love going around. < 3