S
ome people believe that humans have always existed as the species we see today. darwin created the theory of evolution. which observation bolsters the theory of evolution?
a) humans have very diverse traits today.
b) there appear to be missing links in the evolutionary chain.
c) life on earth has been found to date back billions of years.
d) dna found in older primate fossils resemble those of humans today.

Plzzz hurry im being timed ! humans, like other organisms, require energy for growth and repair. when cells create atp for energy, carbon dioxide is produced as a waste product. how does the body respond to this process in order to maintain homeostasis? a. the digestive and respiratory systems interact to move carbon dioxide to the lower intestine, where it is transformed into methane. b. the circulatory and digestive systems interact to move carbon dioxide to the stomach, where it to break down food. c. the nervous and urinary systems interact to move carbon dioxide to the kidneys, where it is absorbed into the bloodstream. d. the circulatory and respiratory systems interact to transport carbon dioxide to the lungs, where it is expelled from the body.

Indica el nombre y la fucion de los vasos sanguineos que entran y salen de los riñones

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi, r^3 , where r is the sphere’s radius.