Look at the photo and help me out please and thank you

1) this is the structure in the cell nucleus that houses a cell's genetic information

How have the greenhouse gasses increased from the year 2000 to 2018

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.