Question 4 of 10 Which of these actions increases enthalpy in the air molecules of the Earth's
atmosphere?
A. Carbon dioxide being taken in by plants during photosynthesis
B. Trees being planted in the rain forests
C. People breathing in oxygen
D. The air being heated by the sun
SUBMIT

no statements shown

the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl

there are two significant figures.

a chemical change results in a new substance being formed; whereas a physical change will result in a different state of matter

explanation: