What does the presence of petroleum deposits tell you about what kind of landform was located there in the past (how did it form)? please help i only have 2 days left till summer

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Atank has a shape of a cone with a radius at the top of 2 m and a height of 5 m. the tank also has a 1 m spout at the top of the tank. the tank is filled with water up to a height of 2 m. find the work needed to pump all the water out the top of the spout. (use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)

What ions are formed when hcl dissolves in water?