Answer:
There are two types of errors: random and systematic. Random error occurs due to chance. ... Random error may be caused by slight fluctuations in an instrument, the environment, or the way a measurement is read, that do not cause the same error every time. In order to address random error, scientists utilized replication.
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Answer:
Its b and the other is c ur welcome and its my first time
Explanation:
Conductive because it is a touching resource
That's at least one of his parents are heterozygous
Plants and other things that make food for themselves and use the sun to make food
