Q: What do wavelengths measure the size of? Choices: - winds - fossils - tides - waves A:
waves

(Question)
Q: What is a structure that consists of two or more types of tissues that work together to do the same job? Choices: - cell - organ system - organism - organ A:
(Answer)
organ

Ques: Q: Fitness and natural selection are parts of what theory that might describe how organisms change over time? Choices: - dessication - gravity - implementation - evolution A:
Ans: evolution

(Q).
Q: What organ has four ventricles, all of which developed from the original hollow space within the neural tube? Choices: - heart - liver - bladder - brain A:
(A).
brain

Ques:Q: Surface tension is a property of matter that is in what state? Choices: - mixture - water - Base - liquid A:

Ans:liquid

Ques: Q: What is released during an enthalpy reaction? Choices: - gold - precipitation - sound - heat A:
Ans:
heat