Which of the following is a magnet only when a current is present?
A. Permanent Magnet
B. Electromagnet
C. Magnetic Domain
D. Magnetic Pole

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite