Ques:Q: Electromagnetic waves are comprised of what two types of energy? Choices: - solar and kinetic - kinetic and electric - magnetic and gravitational - electric and magnetic A:

Ans:electric and magnetic
-----
Ques:Q: What type of joint is the knee joint? Choices: - ball joint - pivot joint - condyloid joint - hinge joint A:

Ans:hinge joint
-----
Ques:Q: What term describes weathering that occurs as water expands when it freezes, wedging apart rock? Choices: - chemical weathering - cleavage - erosion - mechanical weathering A:

Ans:mechanical weathering
-----
Ques:Q: What causes a lot of geological activity on the earth? Choices: - landslides - weather - natural selection - plate tectonics A:

Ans:
plate tectonics
-----