Which of the following is true about the earth's mantle? (2 points) it is solid rock. it is a part of the earth's core. it is a part of the earth's lithosphere. it is a fluid that moves very slowly.

50 g of ice at 0°c is dropped in a beaker containing 100 g of water at 0°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0°c.

Which of these questions might a character ask if the conflict is man versus self? a. which path should i take to better myself? b. which boulder will be too heavy for me to carry? c. which friend is going to ditch me today? d. all of the above

What is the coefficient of kinetic friction μk between the block and the tabletop?