Assuming 70% of earth's surface is covered in water at an average depth of 2.5 mi, estimate the mass of the water on earth in kilograms.

Which of the following is not a part of a wave? question 2 options: a: frequency b: refraction c: wavelength d: amplitude (whoever answers correctly first gets brainiest! ) ~kayla

When does your body conduct current more readily?

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?