Q: What do you call the fast-moving air currents high in the troposphere? Choices: - stationary fronts - wind streams - cyclones - jet streams A:
jet streams

(Question)
Q: When a rock is altered by heat from a nearby magma, what occurs? Choices: - sublimation - evaporation - form metamorphism - contact metamorphism A:
(Answer)
contact metamorphism

Ques: Q: Dissolved fertilizer can ultimately lead to the creation of what in lakes or coastal oceans, which means a place where nothing can live? Choices: - extinction zone - deceased zone - hydrothermal vent - dead zone A:
Ans: dead zone

(Q).
Q: Besides the endocrine system, what other system exerts control over all the organ systems of the body? Choices: - circulatory system - abnormal system - skeleton system - nervous system A:
(A).
nervous system

Ques:Q: What type of organisms do not need blood? Choices: - cold-blooded - vertebrate - marine - single-celled A:

Ans:single-celled

Ques:Q: What is the leading cause of lung cancer? Choices: - chewing tobacco - heredity - tuberculosis - tobacco smoke A:

Ans:
tobacco smoke