Light travels at 3 x 105 km/s (300,000 km or 186,000 miles). how long will it take to get to earth? (a distance of 1.5 x 108 km)
0.2 s
0.8 s
8 s
8 minutes

Dentify one advancement from the industrial revolution that had a significant impact on agriculture, and discuss the benefits this advancement had on the industry.

Which occurs when air is compressed? air molecules move slower. air temperature rises and air molecules move faster. air temperature decreases. air temperature decreases and air molecules move faster.

According to the earth science reference tables, during which geologic time period were the continents of north america, south america, and africa closest together?