Which human activity will have the MOST positive effect on the global environment?

Reducing air pollution across countries by enforcing stricter emissions laws

Explanation:

This will limit the amount of green house gasses in the air witch will slow down climate chance reducing the melting of the polar ice caps  

there is not 1 highest source of protein, but there are many; meats, fish, poultry, seafood, cheese, eggs, yogurt and milk. the only non complete animal food that is beneficial is gelatin.

sorry if this did not , have a great day!

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602