Which of the following provides astronomical evidence for the age of the earth? these are the choices

movement of galaxies

comparative anatomy

molecular clocks

radioactive dating of fossils

plz other people say it's the last one but it's not

Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.