___occurs as the Earth comes out of an ice age. O A. Magnetic deviation
O B. Polar deviation
O C. Global warming
O D. Global cooling

Provide one reason why mitosis occurs.

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different