Alisha wipe the leaves of the plant growing in her garden with oil to make them look shiny after a few days the leaves become yellow and started to dry why do you think this happened? plss helpp ASAP AS SOON AS POSSIBLE

How many cells are our body made of ? ♡

Which would be the most useful source of evidence to support mcneill's contention?

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