Answer:
Place a glowing splint in the test tube, and if it reignites, it could be oxygen. Place a burning splint into a test tube, and if it goes out, it could be carbon dioxide. Or, place carbon dioxide gas in limewater, and if it turns milky and gets chunks, it is carbon dioxide.
Answer:
Distance! (answer A.)
Explanation:
I took the test and this was the right answer :) hope this helps!!
Answer:
Catalase allows the decomposition of the hydrogen peroxide.
Explanation:
The virulence factor is any molecule secreted by bacteria that allow them to colonize in host.
The enzyme catalase allows the splitting of hydrogen peroxide in water and oxygen. This process prevent them from ROS that is reactive oxygen species. Thus, catalase activity is considered as a virulence factor.
The woolly mammoth was an animal used to artic, or colder conditions. When the Ice Age ended, the woolly mammoth couldn't handle the warmer temperatures. It also was being hunted for food. People could have hunted it out of extinction.
I hope this helped you!
Brainliest answer would be appreciated!
