7. In a controlled process called cracking, small short-chain hydrocarbons are produced from
A water and carbon dioxide
B tough plant products such as wood
C large, long-chain hydrocarbons
D natural gas

Lactic acid and energy are produced in muscle cells during choose 1 aerobic respiration cellular respiration anaerobic respiration cellular division

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )