22. Which type of lever has the fulcrum between the output and input sources? second-class lever
O third-class lever
O first-class lever
fifth-class lever

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.

Which of these is a density dependent factor? a. epidemic b. earthquake c. drought d. hurricane

Can anyone answer these questions? ? i need it before 1: 00pm today