When contented and occasionally when hunger, cats frequently make a purring sound

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• Most bats roost in crevices, caves, or building by day and are active at night or twilight.

• He said “Good morning ” in a most friendliness way.

• Most Polar seals retreat to open water during the winter, but a few types have learn to survive on and under the ice all year round.

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• Choose the correct answer to complete the sentence. "Numerous catastrophic consequences result ______ climate change."

• Although there are new drugs on the market, deaths from malaria are being increasing in some parts of the world

• On February 20th, 1962, “Friendship 7” orbiting the Earth in a manned flight that lasted just under five hours

• The basic elements of public-opinion research are interviewers, questionnaires, tabulating equipment, and to sample population

• You frequently see this kind of violence on .................. television. 

• In the 1800’s store owners sold everything from a needle to a plow, trust everyone, and never took inventory

• If people stop destroying animal's natural habitat, more species will survive and produce .......

• The bath overflowed and the water dropped through into the living room

• Deep cratered, the moon is over 2100 miles in diameter with negligible gravity and atmosphere.

• Without the life-jackets, most passengers _____ drowned in that accident.

• Choose the correct answer to complete the sentence. "It's possible that by the end of the 21st century, the rainforest will have _______ disappeared"

• Choose the correct answer to complete the sentence. "Global warming occurs when the greenhouse gases in the atmosphere trapthe heat_______ the sun"

• Nocturnal creatures, raccoons forage primarily at night and spend their days rest in their dens

• Bronze, after being heated by a strong flame, will change color, especially when exposure  to hydrogen .

• Electric lamps came into widespread use during the early 1900’s and have replaced other type of fat gas, or oil lamps for almost every purpose.

• Choose the correct answer to complete the sentence. "Global warming occurs ______ the greenhouse gases in the atmosphere trapthe heat from the sun."

• I think she would forgive you if you ____ to speak to her.