Q: What types of glands do only female mammals have? Choices: - pituitary - thyroid - respiratory - mammary A:
mammary

(Question)
Q: A recent deadly explosion in the gulf of mexico exemplified what source of ocean pollution? Choices: - greenhouse gases - fracking disaster - algal bloom - oil spill A:
(Answer)
oil spill

Ques: Q: What device is used to stop a current in a circuit? Choices: - a signal - a valve - a mirror - a switch A:
Ans: a switch

(Q).
Q: What is the master gland of the endocrine system? Choices: - Thyroid - Hypothyroid - Thymus - pituitary gland A:
(A).
pituitary gland

Ques:Q: Groundwater dissolves minerals and carries the ions in a what? Choices: - mixture - transition - jet stream - solution A:

Ans:solution

Q: In what form is most of the earth's freshwater? Choices: - gas - liqued - steam - frozen A:
frozen