An oceanographer would be most likely to study how whales are affected by pollution. An Oceanographer is a scientist that studies all aspects,physical and biological that pertain to the ocean. The topic of whales and pollution can fit under the study of ocean ecosystem dynamics which falls under the large umbrella of oceanography.

4 0

3 years ago

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The greenhouse and enhanced greenhouse effects refer to the return of approximately ______ percent and greater than ______ perce

Sunny_sXe [5.5K]

Answer:

The greenhouse and enhanced greenhouse effects refer to the return of approximately 80 percent and greater than 80 percent of the heat radiated by Earth.

Explanation:

During natural greenhouse effect :

. Solar radiation reaches the earth

. Re-radiation of heat occurs

. Less re-emitted heat

. More heath escapes into space

Hence the greenhouse effect refers to return of 80% of heat radiated by Earth.

While during Human Enhanced Greenhouse effect :

. Solar radiation reaches earth

. Re-radiation of heat occurs

. More re-emitted heat

. Less heat escapes into space

Hence the enhanced greenhouse effect refers to return of more than 80% of heat radiated by Earth .

5 0

3 years ago

The bases of RNA are the same as those of DNA except that RNA has _______.

Pavlova-9 [17]

RNA has Uracil instead of Thymine. All the other three bases also occurs in RNA, adenine, guanine and cytosine. Therefore a ATA DNA codon will be transcript to UAU by RNA. Both Thymine and Uracil have the same role in however have minor chemical differences.

7 0

3 years ago

A cell that contains organelles called chloroplasts

kupik [55]

Explanation:

A cell that contains organelles called Chloroplasts could be found in plants. 

Chloroplasts are organelles that conduct photosynthesis, where the chlorophyll(green pigments found in plant) captures the energy from sunlight, converts it, and stores it.A chloroplast is a type of organelle known as a plastid. 

4 0

3 years ago