What would be the result if earth's unique atmosphere did not exist?
a). earth's temperature would be more steady and habitable.
b). we would receive less ultraviolet radiation from the sun.
c). we could expel a lot more toxic gases without any problem.
d).life would no longer be possible.

Which lists the main components of darwin’s theory of evolution? a. random mutations drive evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms do not change. b. natural selection drives evolution; the evolution of a population happens slowly; organisms have common ancestors; organisms change over time. c. natural selection drives evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms change over time. d. random mutations drive evolution; the evolution of a population happens rapidly; organisms have common ancestors; organisms do not change.

A-of 75 cm by cm by 17.5 cm up. of is 2 kg a , in ,if it is in , kg/?

Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec