The theory of continental drift was proposed in the early 1900s , but was not accepted by most geologists. which statement best explains why this theory was not accepted? *

a. there was little evidence that separate continents had once been together.

b. geologist believed earth had not existed long enough for continental drift to have occured

c. there was no known force large enough to move pieces of earth's crust

d. no one had ever directly observed continents moving

Dr. kaylan is an ecologist who studies bird behavior. she sets up an experiment to test which type of food crows are most likely to eat when given a choice between walnuts, corn, and sunflower seeds. to perform her experiment, dr. kaylan places three food bins in an area frequented by cows. each bin contains one of the three food types. then, she measures how much of each food type is eaten every day for a month and summarizes the results of her experiment in the pie chart below. based on her results, dr. kaylan concludes that crows choose to eat corn more frequently than other food sources because it has a higher nutritional value. what is a reasonable alternate conclusion that can be drawn from dr. kaylan's data

What is the period of cell life when it is conducting

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen