Ques:Melting means changing from a solid into a liquid by adding heat energy, and ice is the solid form of water. Given these facts, what changes ice to water by adding heat energy among the following options: - mussels - melting - freezing - fertilization - storms - boiling - engines - condensation

Ans:melting
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Ques:Apesticide is used for protecting plants by killing insects, and plants are poisoned by herbicides, animals by pesticides. Given these facts, what doesn't protect plants among the following options: - viruses - smallpox - herbicide - steroids - A virus - Nematoda - chickenpox - cigarettes

Ans:herbicide
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Ques:Roots have primary and secondary meristems for growth in length and width, and rulers are used to measure length. Given these facts, the growth in what comes from primary and secondary meristems can be measured with a ruler among the following options: - bushes - years - Trees - three - roots - bamboo - rings - a prism

Ans:roots
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Ques:Grasses supply most of the food consumed by people worldwide, and grasses and other herbaceous plants are preferred food. Given these facts, what do herbaceous plants supply the world with among the following options: - oxygen - growth - Energy - Crops - seeds - food - life - Carbon

Ans:
food
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