Ivan wants to build an electromagnet. What three materials will Ivan need?

a compass, a battery, wires

a battery, wires, a solenoid wrapped around an iron core

solenoid wrapped around an iron core, wires, a light bulb

a battery, wires, a light bulb

1. Patients who have had mechanical heart valve replacement surgery need to take medication to alter the normal properties of their blood, in order to keep blood flowing and prevent blood from clotting in the mechanical heart valve.

What happens to memories while you are sleeping?

What are the benefits of studying biology

Toxic pollutants trapped indoors and mixed with mold spores has led to what?

Why is the sky blue and fire can be any coler

What is the menstrual cycle and how long does it last?

Six fingered offspring are formed from normal fingered parents. why?

What does the red-shift of galaxies indicate? A. The galaxies are not moving. B. The galaxies are shrinking. C. The galaxies are moving toward each other. D. The galaxies are moving away from each other.

Which scientist contributed to our understanding of infectious disease

Which of the following is NOT a function of the blood. Select one: a. Transportation of oxygen and carbon dioxide. b. Protection against blood loss through monocyte-mediated clotting. c. Transportation of hormones from glands to target cells. d.