Which of these is not an example of mechanical weathering?
a. waves crashing on a seashore
b. a glacier moving down a mountainside
c. a river flowing from a mountain into a valley
d. a cave forming when limestone rock is exposed to acid

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

Name the two stages involved in protein synthesis and explain what occurs in each of the two stages. be sure to also indicate where each process takes place. plz don't give one sentence answers : d

What sre the effects of hemolytic disease of a newborn