What Is Thought to Be the Reason That There Are

question 89

Multiple Choice

What is thought to be the reason that there are no small impact craters on Mars?

• A)Like Venus, Mars's atmosphere is too thick and these meteorites do not survive to makeimpacts on the surface.
• B)The surface of Mars is too young to have impact craters.
• C)Due to the gravitational pull of Mars's moons, most small meteoroids are deflected and nevermake it to the surface.
• D)The wind blows small dust particles, eroding the surface of Mars, erasing small impact cratersfaster than they can form.
• E)None of the above. Mars has lots of small impact craters.

---

Definitions:

Electrocardiogram

An assessment procedure that records the heart's electrical signals to diagnose different heart diseases.

ECG

Electrocardiogram (ECG) is a medical test that records the electrical activity of the heart over a period of time.

Laboratory Studies

The examination and analysis conducted in a lab setting, often involving controlled tests and experiments to investigate scientific questions.

Lab

Short for laboratory, it is a controlled setting designed for scientific experiments, research, or testing.