Q: Vitamin d is made in the skin when it is exposed to what? Choices: - darkness - water - dirt - sunlight A:
sunlight

(Question)
Q: Einstein developed a theory about how electromagnetic radiation can behave as both a wave and what else? Choices: - energy - bacteria - sound - particle A:
(Answer)
particle

Ques: Q: Found in many products, such as petri dishes, agar is made from mucilagnious material in this? Choices: - fungi - seawater - gelatin - seaweed A:
Ans: seaweed

(Q).
Q: Meningitis is an infection of the membranes that cover the brain and what else? Choices: - umbilical cord - notochord - liver - spinal cord A:
(A).
spinal cord

Ques:Q: What process do all species use to make the next generation? Choices: - separation - differentiation - variation - reproduction A:

Ans:reproduction

Question: Q: What fuels provide most of the energy used worldwide? Choices: - hydroelectric - solar - renewable - fossil A:
Answer:
fossil