Answer:
The three most important sources of environmental problems are 1) market failure, 2) the tragedy of the commons, and 3) the underprovisioning of public goods
Explanation:
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Answer: True. Selective media can be used to separate gram negative from gram positive bacteria.
Explanation: Selective media allow certain types of organisms to grow, and inhibit the growth of other organisms.
For example: Media containing potassium tellurite will inhibit the growth of gram negative bacteria while media supplemented with penicillin will inhibit the growth of gram positive bacteria.
The answer is C.it contains carotene
<span>Stratum Basale, being the deepest stratum of skin, will be supplied with the highest levels of oxygen from the blood. The Stratum Basale is constantly renewing and must be supplied with oxygen in order to keep renewing. The other stratus are more superficial and further from the blood source and also do not require quite as much oxygen.</span>