Answer:
A, B, D & E
Explanation:
Watershed conservation aims to protect wildlife in the watershed, restore vegetation, keep the watershed environment healthy, and in very dire cases may even have to relocate the watershed to a less polluted area
Answer:
Control comes with regulating the amount of radiation that a patient is exposed to (using a dosimeter) while accomplishing the task required – such as taking radiology images or irradiating tumor cells. Regulating radiation levels include ensuring the right distance between the patient and radiation source and implementing requisite shielding techniques. The time duration for exposre should be short and radiation sources should also be labeled accordingly.
Coal
Coal is a combustible black rock that is formed from prehistoric plant remains. Coal is formed from the anaerobic decomposition of dead plant matter such as trees, ferns, mosses and other marsh plants that grew on the earth surface over millions of years ago. Coal is composed largely of carbon and is usually burned as a fuel.
