<span>An ice age is the amount of the Earth's water that is locked up on land in the form of glaciers.
</span>According to the scientists, an ice age occurs every 100,000 years. There are five major ice ages in the Earth's history. That are the Andean-Saharan, Huronian, Karoo Ice Age, Cryogenian, and the current Quaternary glaciation.
But, If we entered another ice age currently, it would increase the amount of locked water in the form of glaciers and hence it would have huge consequences for human civilization and the ecosystem.
Because a food chain is based on one certain thing in the ecosystem ....if the entire ecosystem was in it it would be a food web which is food chains from an ecosystem linked together
Hope that helps
Answer:
The correct answer is - carriers of Sickel cell have advantages.
Explanation:
Sickle cell is a condition or disease that involves several other groups of disorders that affect the molecule that carries oxygen in RBC to cells all over the body. It leads to the atypical hemoglobin called hemoglobin S that distorts the RBC in the crescent or sickle shape.
The people with sickle cell trait that is that an individual is a carrier for the disease have one normal hemoglobin gene and other is hemoglobin S gen has an advantage and increase the chances of survival. It is determined that it has some kind of protective advantage against malaria.
Thus, the correct answer is - carriers of the sickle cell have an advantage.
A. One good thing happens and other good things happen because of it.
I'm guessing changing gravity
