4The purpose of this cellular structure is to border the cytoplasm.

A.
Cell membrane

B.
Golgi complex

C.
Mitochondria

D.
Nucleus

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Identify the examples in which sam interacts only with natural resources