Answer is number 1
Oxygen O2
Ozone O3
Yes in fact they do!! Lol google it, i also am trying to get brainley points
Answer:
They help reduce greenhouse gas emissions, but the downside is hybrid cars require more energy to produce than normal cars
Explanation:
Ok I'll see what I can do. I'll try my best to provide you the correct answer.
Answer:
c lower oxygen levels
Explanation:
the higher up the person is the closer to the atmosphere so there is less oxygen
Answer:
See explanation
Explanation:
According to the theory of evolution,species which are better adapted to their environment tend to survive and reproduce in a population passing on these favourable characteristics to their offsprings.
During sexual reproduction, genes can be arranged in new ways from chromosomal crossing over and recombination. This introduces new gene combinations(genotype) and ultimately variation in the population.
This variation may also lead to the observation of new phenotypes in the population.
