Answer:
a substance that can dissolve other substances
Explanation:
i just know this stuff. hope this helps and please mark as brainiest
Yes, the pterosaurs is the ancestor of the bird.
Answer;
A) island forms and mainland forms descended from common ancestors.
Explanation;
-Islands tend to host very distinct but limited sets or species; on a given island a spectacular collection of one related group of species would be present and thriving, but many entire families or even higher taxa would be completely absent.
-All the species on the islands and the nearest continent are closely related to one another, however, each species had a set of adaptations that suits it for a particular environment. This means that the island forms and mainland forms descended from common ancestors.
The correct option is D. This is because, mucus, inflammation and fever perform different functions in the immune system.The mucus membrane produces mucus which traps microbes. Inflammation refers to a localized tissue response which occurs when a tissue is damaged. Fever inhibits bacterial growth and speed up the rate of healing of a damaged tissue.
The lymph nodes are the lymphoid organs that serve in immune surveillance and in filtering lymph. They <span>are found in the neck, armpits, and groin areas. If a lymph node is swollen it means that there is an infection or injury.If you notice swollen lymph node you should see your doctor.</span>
