When multiple glaciers start their downward flow from a single point, the create a. a. canyon
b. mounting cliff
c. mountain peak
d. natural arch
e. table mountain

Why is it important that human chromosomes have many origins of replication

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.

An easy way to calculate the amount of energy available at each level is to what?