According to the big bang theory, what must the universe have been like when it began? select all that apply.
a. hot
b. cool
c. dense
d. as it is today
e. 3 k in temperature
f. filled with microwave radiation

humans, along with other animals and plants, have linear chromosomes that are arranged in pairs within the nucleus of the cell. the only human cells that do not contain pairs of chromosomes are reproductive cells, or gametes, which carry just one copy of each chromosome.

d) center of the mid-ocean ridge

give brainleysest

sinserly,

steckh986

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%