You decided you want to make spaghetti for supper. You first light the gas stove because you need to cook the meat. When the meat is cooked, you add sauce to it. Then you put a pot of water on the stove to get it boiling. The next step is putting the spaghetti noodles in to boil. Finally, you drain the spaghetti noodles and add the sauce. Which of the following describes the chemical changes happening? A: Cooking the meat and boiling the water are both chemical changes.
B: Lighting the stove and cooking the meat are both chemical changes.
C: Light the stove with a match and boiling the noodles are both chemical changes. D:Mixing the pasta sauce with the meat and boiling the noodles are both chemical changes.

Determine whether the characteristic describe dna replication in prokaryotes only, eukaryotes only, or both prokaryotes and eukaryotes drag each tile to the correct location on the chart

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

Cells destroy body cells infected by a virus or bacteria.