1. How does deforestation affect the amount of carbon dioxide in the
atmosphere?...
Biology, 08.03.2021 22:40, joThompson
1. How does deforestation affect the amount of carbon dioxide in the
atmosphere?
Answers: 3
Biology, 21.06.2019 15:30, kashaallen492
Compare and contrast the adaptations of free-living flatworms and parasitic flatworms
Answers: 1
Biology, 21.06.2019 16:00, caitlin89
Elements and compounds are pure substances that cannot be broken down physically into a simpler substance. a physical change doesn’t 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 you’d 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, 21.06.2019 17:00, gshreya2005
Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d. the size of the geographic area inhabited by a population can cause speciation.
Answers: 2
Biology, 17.07.2019 15:00
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History, 17.07.2019 15:00
Biology, 17.07.2019 15:00
Biology, 17.07.2019 15:00