Which agent causes sand dunes to form?

Ocean waves

Gravity

The wind carries the sand until it runs into an obstacle

Weathering of old rocks in the desert

As space exploration increases, means of communication with humans and probes on other planets are being developed. (a) How much time (in s) does it take for a radio wave of frequency 8.93 x 10⁷ s⁻¹ to reach Mars, which is 8.

What is the relationship between ATP and oxygen during cellular respiration? A. Oxygen is given off when ATP is produced in the mitochondria. B. Oxygen is produced when ATP is used as an energy source. C.

The atomic number of chlorine is 17. Give the electron configuration for a neutral atom of chlorine

How many electrons are in a neutral atom of an element that has 14 protons and 15 neutrons

Einstein's equation applies to which of the following? A. only nuclear reactions B. only chemical reactions C. both nuclear and chemical reactions D. neither nuclear nor chemical reactions

What is the product of a force and the time during which the force acts

Calculate the molarity of kcl in the solution if the total volume of the solution is 239 ml.

Iron has a density of 7.86 g/cm3. Calculate the volume (in dL) of a piece of iron having a mass of 4.77 kg.

Why is the data for water different from the elements, hydrogen and oxygen?

The sources of errors in the kinetic experiment are: a. Tools b. Personal c. Method d. All of the above