Barnacles attach themselves to the shells of crabs. The barnacles receive a home. The crab is
unaffected. What kind of relationship is this? *
A. Parasitism
B. Mutualism
C. Commensalism
D. Predator/Prey

Astudent conducts an experiment to determine how the amount of water given to a plant affects its growth. which of the following is not a constant or control for this experiment? a. the type of plant b. the amount of soil c. the amount of water d. the amount of time in the sun select the best answer from the choices provided a b c d

The red square is a famous historical site that is located in

How are people today protected from wildfires like the large wildfires like the great fire of 1910are people today protected from large wildfires like the great fire of 1910? plz have the answer. this is important. you