He had a bacterial infection, but then developed an allergy to the antibiotic.
There is no answer that is right except for C. Natural Selection.
Genetic Recombination doesn't change gene frequency;nor does migration. (Unless it's local)
Mutation could be the answer, but since mutations are too rare to really power Evolution, the only logical answer is Natural Selection.
1. RNA polymerase unzips DNA
2. Free RNA nucleotides pair with complementary DNA nucleotides
3. The mRNA molecule breaks away as the DNA strands rejoin.
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Answer:
Waste disposal
Why? Contributes to the greenhouse effect and causes pollution
Solution: If you bring your lunch to school, package it in reusable containers instead of disposable ones. Carry food in reusable plastic or cloth bags, and bring drinks in a thermos instead of disposable bottles or cartons.
Solution: Compost leftover food
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Hi
The leves need to beed in clay so there comes no air close to the leaves this important because otherwise bacteria could dissolve the leave
