Will mark !
which of the following draws two objects with mass towards each other?

a. density
b. gravity
c. pressure
d. temperature

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

Particle model to predict what will happen if a sharp object creates a hole in the soccer ball

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?