Scientists found evidence of a time period 3 billion years ago when Lee's energy entered the Earth system than exited. What is o
ne change to the atmosphere that could have caused this, how did it change the amount of energy in the Earth system? A) methane increased, leading two more energy in the earth system and more energy absorbed by Earth's surface. B) methane increased, leading to less energy in the earth system and less energy absorbed by Earth's surface. C) methane decreased, leading to more energy in the earth system and more energy absorbed by Earth's surface. D) methane decreased, leading to less energy in the earth system and less energy absorbed by Earth's surface.
No, they aren't always visible. It depends if its heterozygous or homozygous.
Homo- 2 of the same gene. Ex. RR or rr
Heter- both genes are different. Ex Rr
