Friction acts opposite to the direction of motion or the tendency of motion.
Which planet is known as the "Red Planet"?
What is the term for the large oceanic waves caused by underwater earthquakes or volcanic eruptions?
What is the term for a point in space where gravity is so strong that nothing, not even light, can escape?
What is the name of the mission that successfully landed the rover "Zhurong" on Mars, making China the second country to land and operate a rover on the Red Planet?
What is the term for the process by which water changes from vapor to liquid as it cools?
What is the function of the thymus gland in the immune system?
Which gas, abundant in the atmospheres of Uranus and Neptune, gives these planets their blue-green color?
What is the term for the process by which rocks are transported and deposited by wind, water, or ice?
What type of mountain is formed by the folding and uplift of rock layers along tectonic plate boundaries?
Which of the following is a greenhouse gas?