How may a gene be defined
a. a segment of dna
b. a segment of a protrein
c. a part of the cell membrane
d. a complete protein

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.