Answer: A, through extensive testing and the accumulation of several lines of evidence
Explanation:
Answer: The “graying of America”
Explanation: Just took the test
Symbiosis is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be positive, negative, or neutral. There are three basic types of symbiosis: mutualism, commensalism, and parasitism.
Mutualism
Mutualism is a symbiotic relationship in which both species benefit. An example of mutualism involves goby fish and shrimp
The skin is made up of three layers, each with its own important parts. The layer on the outside is called the epidermis
<span><u>B. setting a clear goal for the future </u></span>
