Biology, 20.02.2020 01:02 adjjones2011
The laboratory finds IgA in a sample of cord blood from a newborn infant. This finding is important because it signifies what?
Answers: 2
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 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
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Biology, 21.06.2019 23:30
What is the importantence of the carbon and nitretan cycles in the environment
Answers: 1
Biology, 21.06.2019 23:50
Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?
Answers: 2
Biology, 22.06.2019 02:50
The response is the basis for vaccination. primary secondary tertiary none of the above
Answers: 2
The laboratory finds IgA in a sample of cord blood from a newborn infant. This finding is important...
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