Biology, 18.07.2019 12:20 mathhelpneeded66
Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas. which group of statements best describe all of the materials he is using in the investigation? a. they are each compounds. each of the compounds is made of atoms. all of the atoms are made of matter. b. they are each made of matter. some are compounds and some are elements. they all contain atoms. c. they are all elements. some contain molecules of the same type of atom. some contain different types of atoms. d. they are each made of matter. some are compounds made of one type of element. some are pure atoms.
Answers: 2
Biology, 21.06.2019 19:30
What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.
Answers: 1
Biology, 22.06.2019 02:00
Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment
Answers: 1
Biology, 22.06.2019 05:00
Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis
Answers: 2
Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen ga...
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