Ques: Friction causes the speed of an object to decrease, and friction from the brake lining causes heat. Given these facts, applying the car brakes generates among the following options: - gas - energy - sound - heat - warmth - fluid - waves - oil
Ans: heat

Ques: Ozone depletion results in higher levels of UV radiation reaching Earth, and uV radiation increases the risk of getting skin cancer. Given these facts, what increases the risk of getting skin cancer among the following options: - Ozone depletion. - cigarettes - smoking tobacco - adding heat - electromagnetic energy - smoking pipes - rays or beams - wavelengths and photons
Ans: Ozone depletion.

Ques: Cells vary in size as well as shape, but all cells are very small, and cells are the fundamental units of life. Given these facts, the fundamental units of life vary in size and shape but are all very what among the following options: - elastic - large - dry - fat - visible to the naked eye - complex - small - matter
Ans: small

Ques: Fossils are formed when layers of sediment cover the remains of organisms over time, and all streams carry sediment . Given these facts, what carries something that covers organisms to make fossils among the following options: - squids - Streams - streams. - coral reef - coral - amoebae - bamboo - Nematoda
Ans:
Streams