Biology, 25.02.2022 16:10 AriaMartinez
Which of these are characteristics of viruses? (Select all that apply.)
- not living organisms
- are decomposers
- are single-celled
- cannot reproduce without a host
Answers: 1
Biology, 21.06.2019 16:00
Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesnβt break the bonds between atoms of a substance or form new ones. compounds can be broken down by a chemical change. a chemical change breaks chemical bonds and/or forms new ones between atoms of a substance. what simple substance would a compound break into? the basic elements that make it up! for example, if you passed a very strong electric current through water youβd break the chemical bonds in water and be left with oxygen and hydrogen. which of the following is an example of a chemical change? a separating water into different glasses b breaking frozen ice cubes with a hammer c running an electric current through water d boiling water to evaporate it on a stove
Answers: 2
Biology, 22.06.2019 01:30
How do you date a sample of rock that you suspect as being one of the earliest on earth
Answers: 1
Biology, 22.06.2019 09:00
Several billion years ago which gas was the least prevailant in the atmosphere
Answers: 1
Which of these are characteristics of viruses? (Select all that apply.)
- not living organisms
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