Q: What type of pollution is generated by power plants and factories that can directly raise the temperature of water? Choices: - atmospheric pollution - Space Pollution - variable pollution - thermal pollution A:
thermal pollution

(Question)
Q: What strong and lightweight manmade material is derived from hydrocarbons and used in ropes, tents and parachutes? Choices: - styrofoam - cellophane - aluminum - nylon A:
(Answer)
nylon

Ques: Q: The outermost layer of the leaf is the epidermis; it is present on both sides of the leaf and is called the upper and lower epidermis, respectively. botanists call the upper side the adaxial surface (or adaxis) and the lower side this? Choices: - dorsal surface - posterior surface - anterior surface - abaxial surface (or abaxis) A:
Ans: abaxial surface (or abaxis)

(Q).
Q: Resistors connected end to end are said to be in what? Choices: - parallel - groups - lines - series A:
(A).
series

Ques:Q: Why are eutherian mammals sometimes called placental mammals? Choices: - identical placental connection - reacts placental connection - minor placental connection - complex placental connection A:

Ans:complex placental connection

Q: What does magma that cools underground form? Choices: - anomalies - plates - cracks - intrusions A:
intrusions