Numerical Problems: a A person shouts loudly at the mouth of a well facing towards the water. The echo is heard clearly after 0.2 seconds. What is the distance between the person and the surface of water? [Velocity of sound in air = 332 m/s]

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest