Scientists can disprove things but they cannot prove anything absolutely, which means there is always some uncertainty in science.

Answer the following statement true (T) or false (F)


True

Environmental & Atmospheric Sciences

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Diethyl ether can be made from ethanol. The reaction is: 2 C2H5OH(l) ? (C2H5)2O(l) + H2O(l) In one experiment 46.0 g of ethanol yielded 34.7 g of diethyl ether. What was the percent yield in this experiment?

A) 62.1% B) 80.4% C) 93.8% D) 97.0%

Environmental & Atmospheric Sciences

Hydrothermal fluids are the most important source of metallic ore deposits.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

In terms of volume, the largest liquid-waste disposal problem is

A. toxic industrial chemical waste. B. sewage. C. wastewater from mineral-processing activities. D. high-level liquid radioactive waste.

Environmental & Atmospheric Sciences

List and briefly describe the seven factors that affect a country's average birth rate and total fertility rate

What will be an ideal response?

Environmental & Atmospheric Sciences