Determine the mass of the object below to the correct degree of precision. Use this media to help you complete the question. 433.0 g 433.45 g 433.40 g 434.50 g

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

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.