Many forms of energy in use today can be traced back to : coal
texas
natural gas
petroleum
the sun

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2

Which stable element is used to determine the age of volcanic rock? a- argon b- carbon-14 c- potassium d- carbon-12

Which best offense of relationship between speed and velocity speed is velocity what displacement velocity and speed with displacement spee is based on a specific direction velocity isis based on displacement