Answer:
In science, a variable is any item, factor, or condition that can be controlled or changed
Answer:
It is important because we need many different types of animals. Food chains are made up of many different links, and if there are fewer links, this will lead to animals not being able to feed. Biodiversity boosts the ecosystem and leads to an ecosystem that is self sustaining and able to produce things for people.
Explanation:
Answer:
The two main forms of eye makeup were grepond eye paint and black kohl. The green eye paint was made of malachite, a copper carbonate pigment, and the black kohl was made from galena, a dark grey ore.
