Around 8 million metric tons of plastic ends up in the ocean every year. Some countries have made changes to their laws to help reduce the amount of plastic used. What options could help reduce the amount of plastic that reaches the oceans?

Iknow #2 is d. i just need to know why

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange