Answer:
Layer A is the crust and Layer B is the mantle.
Using Natural predators to reduce insect numbers caused the least harm to the environment.
Answer:
The Answer is C
Explanation:
When scientists breed cows to produce more milk, this has not occured naturally and thus is not natural selection.
Answer:The white blood cells involved in innate immunity are. Monocytes (which develop into macrophages). Neutrophils. Eosinophils. Basophils. Natural killer cells.
Explanation: MERK MELLS
Homeostasis is the attempt to maintain stable conditions (particularly in an organism). It is done by using feedback loops (positive and negative).
