Q: Darwin found that, since all species are related to each other and some of them evolve together, so they develop similar what? Choices: - appearance - language - systems - adaptations A:
adaptations

(Question)
Q: What is a mixture of potassium nitrate, sulfur, and charcoal? Choices: - gasoline - cyanide - TNT - gunpowder A:
(Answer)
gunpowder

Ques: Q: Which carrier molecule becomes less effective at binding oxygen as temperature increases? Choices: - water - helium - hydrogen - hemoglobin A:
Ans: hemoglobin

(Q).
Q: Aquatic producers need nutrients and what dissolved gas, which is more abundant near the surface of water? Choices: - helium - nitrogen - methane - oxygen A:
(A).
oxygen

Ques:Q: Helicopter pilots can recover from piloting errors by decreasing altitude, turning some of their potential energy into what kind of energy? Choices: - electrical - free - active - kinetic A:

Ans:kinetic

Ques:Q: What type of energy occurs by splitting the nuclei of radioactive uranium? Choices: - microwave - atomic - kinetic - nuclear A:

Ans:
nuclear