13 Which of the following chemical compounds

used in coolants and aerosol products have

depleted the ozone layer?

A H, O and CO,

B CFCs

C O, and CO,

D sulfuric acid and nitric acid

Evaluat the statement scientists just perform experiments to prove what they already believe

What symbiotic relationship is leech and alligator?

In which order do organisms return to an area after a major disruption? A. producers - -> secondary consumers - -> primary consumers B. producers - -> primary consumers - -> secondary consumers C.

What is speciation a result of A. Allele frequency within a population remaining the same B. New alleles forming because of mutation C. Random, chance event D. Change in an existing species environment

What characteristics do deserts share

If a golf ball and bowling ball are moving and both have the same kinetic energy. Which one moving faster? If they move at the same speed, which one has more kinetic energy?

Is a glacier nothing more than a huge mineral flowing downhill? Be sure to defend your answer with facts.

Natural selection works on the phenotype, rather than genotype, what best explains the reason for this

Organism Reproduction Tools Mitosis is a type of cell division that produces cells that are used for growth and repair. Meiosis is a different type of cell division that produces sex cells used for sexual reproduction.

In a scientific experiment, a is any factor that can change or be changed