Answer:
I believe the answer is A...I'm not completely sure but I tried my best to think.
Physical resources that are extracted from the ocean and are useful to humans include petroleum and natural gas.
<h3>What are physical resources?</h3>
- Physical resources are tangible items such as raw materials which are required by the humans for their need.
- Water, air, soil, rocks are all physical resources of the terrestrial and aquatic ecosystems.
- Land, water and air are necessary for our survival.
- Geological features like volcanoes, caves and fossils are also a part of physical resources.
- The dead and decaying remains of plants and animals over thousands of years in the oceans (marine system) form petroleum and natural gas which are used as fuels to power vehicles.
- Coal is obtained from the remains of plants over hundreds of millions of years ago in terrestrial ecosystem.
- Petroleum and natural gas are non renewable so we must use them judiciously.
Learn more about natural resources here:
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The answer is Pterosaurs. Pterosaurs do not belong to the aquatic reptile group. These reptiles are winged or flying prehistoric reptiles. Plesiosaurs, Ichtyosaurs and Nothosaurs are marine reptiles. Unlike them, pterosaurs are warm-blooded reptiles.
It will not capture modulated radio waves
2. Antigen
Toxins
3. Some bacterial infections
Viral
4. Innate immune system
5. Adaptive
6. Leukocytes
7. Humoral response
Cell mediated response
8. B cells
T cells
9. Helper T cell
Cytotoxic T cell
10. Antibody production.