Student a weighs 75 pounds, and student b weighs 50 pounds. student a gives student b a push while standing on a skateboard as shown in the diagram. after the push, student a moves backward while student b remains motionless. which statement is true?

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled