Q: What are two basic types of pollutants in the air? Choices: - smog and coal - organic and inorganic - pesticides and smog - primary and secondary pollutants A:
primary and secondary pollutants

(Question)
Q: What type of change occurs when matter changes chemically into an entirely different substance with different chemical properties? Choices: - physical - material - genetic - chemical A:
(Answer)
chemical

Ques: Q: The distance between two consecutive z discs or z lines is called what? Choices: - contractile - ligule - radius - sarcomere A:
Ans: sarcomere

(Q).
Q: What are the cells that break down inorganic molecules to supply energy for the cell, and use carbon dioxide as a carbon source? Choices: - staurikosaurus - fluctuations - Sediments - chemoautotrophs A:
(A).
chemoautotrophs

Ques:Q: What is the body of a roundworm covered with? Choices: - thick scales - thin epidermis - slime - tough cuticle A:

Ans:tough cuticle

Q: What is defined as a push or pull acting on an object? Choices: - effort - motion - work - force A:
force