A sample of carbon-12 has a mass of 6. 00 g. How many atoms of carbon-12 are in the sample? 3. 01 Ă— 1023 6. 02 Ă— 1023 1. 20 Ă— 1024 3. 60 Ă— 1024.

When light strikes a plane mirror, images form in locations where light does not actually reach. it only appears to the observer as though the light were coming from this position. what type of image is formed?

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.