Hurrwhich events occur when a star is forming ? check all that apply. ▪️the outer layer of the star expands ▪️gravity pulls gas and dust together ▪️a protostar forms as mass increases ▪️a black hole forms as tge core collapses ▪️nuclear fusion begins under high pressure

What happens when the cell copies its chromosomes

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Describe how a student should adjust the microscope to see the cells on a slide more clearly?