Answer:
Handheld extinguishers, which are commonly sold at hardware stores for use in the kitchen or garage, are pressurized with nitrogen or carbon dioxide (CO2) to propel a stream of fire-squelching agent to the fire
Creating awareness will always be a solution , but doing something about it creates improvement to the global issue . You can create biodegradable plastics so whenever the biodegradable plastic hits the ocean , the object can become food for the ocean animals instead of harming them ......some McDonald’s are now changing their straws (biodegradable straws ) so change is happening slowly we just need awareness
Germ cell's I believe. These are cells that includes half your genome in order to reproduce.
Human egg cell
But human egg cell is the one of the largest cells in the human body that can be seen with naked eye. i.e we are able to see it without the help of a magnification device. The size of this cell is about 0.12 mm in diameter.