\ Lemon Juice
Tums (antacid)
Water
Put all of the above household items in order from lowest to highest pH.
A) Lemon juice, water, Tums
B) Water, Tums, Lemon Juice
C) Water, Lemon Juice, Tums
D) Tums, water, lemon juice

Is the alien theory a scientific claim? why or why not? just took the test it was , : " the alien theory is not a scientific claim because it is not based on valid data, there is no evidence to support it, and it does not come from a reliable source."

A12-kg bag of groceries is tossed onto a table at 4.0 m/s and slides to a stop in 2.2 s . modify the equation fδt=δ (mv) to find the force of friction.

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body