Answer:
b
Explanation:
On Earth, human activities are changing the natural greenhouse. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.
Answer:
the correct answer would be
A. atoms, molecules, cells, tissues, organs
To verify that the unlabelled soft drink is diet soda rather than soda sweetened with fructose, we'll do a test of the presence of sugar in the drink. Normally a diet soda contains aspartame, an artificial sweetener derived from proteins. A reducing sugar test will reveal whether the drink contains sugar or not. Absence of sugar will indicate presence of artificial sweeteners. The Fehling's solution and Tollens' reagent are two chemical solutions that test the presence of sugar in the drink. The Fehling's solution gives off a red precipitate in presence of sugar and Tollens' solution gives off a silver precipitate in presence of sugar.
Answer:
¨ An S wave, or shear wave, is a seismic body wave that shakes the ground back and forth perpendicular to the direction the wave is moving.¨
Explanation:
