The answer is c) a number and a unit
Answer:
Both
Explanation:
But not all viruses can be stopped by vaccines as there are retro viruses which are impossible to stop
If I did my math correct, the answer would be 2 seconds.
Petri (the person that invented the Petri dish) invented the transparent glass lidded dishes which were meant for keeping and growing bacteria and other stuff including fungi and mosses sterilized. It dated back to the late 1800s.
Answer:They like to bump their heads against us, sleep in tight boxes, knead our laps, ... It's helpful to look around your house and make sure your cat's area is as safe as possible. For instance, put away things that could get knocked over and keep windows ... If you want to have plants in your home, make sure they are safe for cats.
Explanation:
