Answer:
d
Explanation:
Your DNA contains a set of instructions that determine how much of a particular protein to create, which is called “gene expression.” And a number of different factors can influence the expression of a particular gene.
Answer:
A pack of wolves, an arctic hare, and two hawks living together in the same environment represent a food chain.
Explanation:
The reasons behind this answer are that in the first place we are talking about animals that can live in the same environment. Second, they are different species of animals that participate in a single ecosystem food chain. We have two types of predators and one prey. However, even when the predators share the ecosystem they share the prey and have to compete for it.
Silicon dioxide when dried and in the powdered state are known to have caused many respiratory ailments. Fine dust is airborne which is readily inhaled by unprotected individuals and damage their lungs. Diseases like bronchitis and lung cancer are some. They can also exacerbate allergies and autoimmune diseases because they are insoluble to human body they will eventually create triggers to inflammation. Calcium carbonate is highly toxic if ingested at a high amount.
