Biology, 06.04.2021 19:40, mbrisen7420
There is evidence that the composition of the earth's atmosphere is still changing. one possible reason is that many power stations generate electricity by burning fossil fuels such as coal, oil or natural gas. sulphur dioxide, SO2, is produced when coal burns in air. what environmental problem does sulphur dioxide cause?
Answers: 2
Biology, 21.06.2019 19:30, zmeister
What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.
Answers: 2
Biology, 21.06.2019 23:50, jaiyaharoldjh
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 03:30, krisgrace1485
Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis
Answers: 1
There is evidence that the composition of the earth's atmosphere is still changing. one possible rea...
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