Which isotope is use to date ancient artifacts such as fossils?

Two large blocks of wood are sliding toward each other on the frictionless surface of a frozen pond. Block A has mass 4.00 kg and is initially sliding east at 2.00 m/s. Block B has mass 6.00 kg and is initially sliding west at 2.50 m/s.

Unequal sharing of electrons occurs when one atom's protons have a greater pull on the shared electrons. true or false

An elemental trip through europe

Which one of the ff is correct about Acids? a, acids have bitter taste b, acids have HP value of less than 7 c, acids have POH value of less than 7 d, all are correct

What is a good hypothes is for this problem statement:Problem statement: Does changing the amount of water affect the time it takes water to boil?

Why do we study black holes

Calculate the kinetic energy of a charging elephant if its mass is 5,000kg and it moves at 8m/s

Why is a decrease in Earth's ozone harmful to life?

What force does a window washer want acting on him when trying to keep the same position

How many Mars-sized planets can fit in Jupiter