The three stages of volcanic activity are active, dormant, and extinct.
The answer is <span>A. A leather tannery. A tannery produces a sludge as a byproduct that is high in various toxic elements including chromium, a heavy metal that is highly toxic. Other pollutants produced include sodium, calcium, sulfur, magnesium, phosphate, copper, tin, lead, arsenic cadmium and zinc. Tannery effluent is an extremely toxic pollutant that could cause great harm if released into the environment, and for that reason, the tannery industry needs to be highly regulated and managed. </span>
Animals and plants need to get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned. When humans burn fossil fuels to power factories, power plants, cars and trucks, most of the carbon quickly enters the atmosphere as carbon dioxide gas.
Answer:
The given blank can be filled with cohort effect.
Explanation:
A cohort effect refers to the specific influence of a group bonded by common life experiences or time. Cohorts in an organization are generally illustrated by entry date and retain some common features like cohesiveness, size, and competition, which can influence the organization.
A cohort refers to a group of individuals who shares common experiences or features like the region where they were born, their years of birth, and others. Cohort effects are a concern for the scientists working in the fields like epidemiology, sociology, and psychology.
Answer:
Water molecules are polar and form strong hydrogen bonds.
Explanation:
Properties like high surface tension and boiling point are unique to water due to water's polar molecules. This allows water to form very strong hydrogen bonds and give it some different abilities.