The smallest unit of an element is composed of the following “sub-atomic particles”. Group of answer choices

A. protium, deuterium, and tritium

B. protons, neutrons, and ions

C. protons, neutrons, and electrons

D. protons, neutrinos, and ions

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.