Remember that Convection is a type of heat transfer. Convection also occurs in the mantle. Describe where the heat is coming from and how this heat affects the movement of Earth’s mantle and Earth’s crust.

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

Which of the following cell structures is significantly different between gram- positive and gram-negative bacteria?