Biology, 05.02.2020 10:56, keniaguevara32
Simple animals are able to supply their cells with nutrients through diffusion and active transport across cell membranes because a. they have complex circulatory systems.
b. their cells are in direct contact with the environment.
c. their cells are not in direct contact with the environment.
d. their blood transports oxygen and other materials through a series of blood vessels.
Answers: 3
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Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.
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What is the farthest destination to date for a human spaceflight mission?
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Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !
Answers: 1
Simple animals are able to supply their cells with nutrients through diffusion and active transport...
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