Which represents a negative impact of technology? A. higher food production
B. climate change
C. renewable energy sources
D. increased recycling

Which of these statements are true about scientific theories and hypothesis

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna