Q: What areas of the planet are most birds native to? Choices: - desert - tundra - mountainous - tropical A:
tropical

(Question)
Q: What state of matter has a definite volume, but not a definite shape? Choices: - gas - solid - mixture - liquid A:
(Answer)
liquid

Ques: Q: The primary hormones derived from lipids are what? Choices: - amino acids - melatonins - antibiotics - steroids A:
Ans: steroids

(Q).
Q: Which system in the human body consists of the heart, a network of blood vessels, and blood? Choices: - cardiac system - nervous system - circulatory system - cardiovascular system A:
(A).
cardiovascular system

Ques:Q: Under a microscope, salt crystals are what shape? Choices: - triangles - circles - squares - cubes A:

Ans:cubes

Ques:Q: What does increasing a solute's temperature do? Choices: - increases its viscosity - decrease its solubility - no change - increases its solubility A:

Ans:
increases its solubility