What percent of Earth's surface is covered by land?

25 percent

50 percent

75 percent

90 percent

Two commuter rail cars, one from Shah Alam and the other from Kuala Lumpur approach each other on parallel tracks. Each has a speed of 100km/h with respect to the earth.

A car start from rest and move 6km due east and 8km due south. Calculate the distance covered

The rope can support a maximum tension of 2700 n. is this rope strong enough to do the job? choose the correct answer and explanation.

What conditions are necessary for our bodies to maintain homeostasis and function properly?

Describe the difference between renewable and nonrenewable resources. Give at least two advantages and two disadvantages of each.

The blood vessels that carry blood away from the heart to the rest of the body are

Mary has been playing an extreme form of dodge ball, where she has to stand on a board and try not to fall off as objects are thrown at her. Which of the following skills should she improve to do well at this game?

Examine the reactants of the incomplete double-displacement reaction. 2NaCl + H2SO4 → _[blank]_. What is the product of the double-displacement reaction?

A radio wave has a wavelength of 300 m. The wave moves with a speed of 3.0 * 108 m/s. What is the frequency of the radio wave? A. 1.0 * 106 Hz B. 1.0 * 10-5 Hz C. 1.0 * 10-6 Hz D. 1.0 * 105 Hz

What is the momentum of a 0.145 kg baseball traveling at 40.0 m/s