What is the main reason countries should work together to reduce air pollution?
O A. Air and water pollution remain localized.
O B. People carry air pollution from place to place during travel
C. Winds carry air pollution across oceans and continents.
O D. Pollution in a river becomes diluted before it crosses into another
country.

Does the sun release radiant energy?

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

What is the role of the phospholipid belayer in cellular transport in living cells