Which statement is the correct explanation of the function of macromolecules in carrying out a major function in the cell? a lipids control the rate of cell reactions. B carbohydrates form waterproof coverings. C proteins are the main source of energy for the cell. D nucleic acids store and transmit hereditary information.

Which of the following is a presentation cue? a. crossing your arms b. mumbling c. repeating words d. whistling

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?