Which statement best describes complex carbohydrates? Complex carbohydrates have chemical bonds that cannot be broken.

Complex carbohydrates are composed of unbranched ring structures.

Complex carbohydrates are inorganic compounds.

Complex carbohydrates are made of many simple carbohydrates linked together.

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.