Which image of earth is more recent?

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

How many moles of kci are produced from 2.50 moles k