Fact 1: Contact between rocks over long periods of time causes rocks to smooth. Fact 2: Type of Rocks Salt, quartz and basalt are decent types of aquarium rocks. Given the two facts above, answer the question "what needs contact to smooth over long periods of time?" with the following options: - oxygen - soil - an object - h2o - rivers - quartz - cartilage - bamboo
quartz

(Question)
Fact 1: Tidal energy can be used to produce electricity. Fact 2: Ocean thermal is energy derived from waves and also from tidal waves. Given the two facts above, answer the question "Ocean thermal can be used to produce" with the following options: - Temperature - electricity - warmth - steam - precipitation - friction - food and shelter - sun's heat
(Answer)
electricity

Ques: Fact 1: Playing is one way mammals and other animals learn how to behave. Fact 2: Cats are Mammals that Shed Dogs are Mammals that Wag their tails. Given the two facts above, answer the question "What is one way dogs learn to behave?" with the following options: - exercise - mating - ligt - playing - parties - slumber - firm hugs - Movement
Ans: playing

(Q).
Fact 1: Algae have varied life cycles. Fact 2: Some, such as the green algae, are plants. Given the two facts above, answer the question "What have varied life cycles?" with the following options: - bacteria - fungi - Variety. - Cycles. - plants - Plants. - insects - Life of air.
(A).
Plants.

Ques:Fact 1: Global warming is when worldwide temperature increases. Fact 2: Temperature Temperature is an measurement of the amount of heat. Given the two facts above, answer the question "What is it called when worldwide heat increases?" with the following options: - global warming - threatened - acid rain - river pollution - climate - kinetic energy - global warmer - hyperthyroidism

Ans:global warming

Ques:Fact 1: Blood pressure is highest in arteries and lowest in veins. Fact 2: Blood Pressure Blood Pressure Blood pressure is the force of the blood on the artery walls. Given the two facts above, answer the question " is highest in arteries and lowest in veins." with the following options: - matter - voltage - Length - solutes - glucose - measure - Force - Joules

Ans:
Force