Q: In physics, what is defined as the average kinetic energy of the particles of matter? Choices: - density - friction - magnetism - temperature A:
temperature

(Question)
Q: What oily substance prevents the hair and skin of living things from drying out? Choices: - pus - progesterone - pancreatic enzymes - sebum A:
(Answer)
sebum

Ques: Q: The cells of all protists have a what? Choices: - argon - cell walls - protons - nucleus A:
Ans: nucleus

(Q).
Q: Ringworm and athlete's foot are human diseases caused by what simple organisms? Choices: - bacteria - insects - viruses - fungi A:
(A).
fungi

Ques:Q: What can be used to convert the energy provided by the sun to usable electrical energy? Choices: - Wind Mills - Pannels - Power Plants - solar cells A:

Ans:solar cells

Ques:Q: What is friction that acts on objects while it is rolling over a surface called? Choices: - blowing friction - opposing friction - surface friction - rolling friction A:

Ans:
rolling friction