I believe the answer is b
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Answer:
Convection currents transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock.
Explanation:
There's a great picture that I attached below that is a great representation
Chloroplast, sorry I'm a little late
Answer:
A veterinarian wrote an article stating his disapproval of some of the tactics used to breed pedigree dogs. He stated that pedigree dogs can be healthy, but because of inbreeding, they’re more likely to have health problems than other dogs. The author supported his statement with scientific studies.
A breeder with 20 years of experience wrote an article that was pro-breeding. He talked about his own success and shared his opinions on proper breeding techniques. Because the veterinarian used scientific facts to support his reasoning, his article seemed more scientifically credible to me.
Explanation: