Answer:
b. energy loss in machines
Explanation:
It is an undesirable effect because it causes loss in energy in a machine which most likely requires a lot of energy to function. Therefore, it is undesirable as the machine will not function properly.
He did not take in to account for wind currents and the fact that CO2 or the carbon stays in the air
The barrier is cultural differences.
John, growing up in America learned that eye contact is a way of respect and to show you are paying attention.
Where Cho, growing up in Asia, many Asian counties don't have this "custom" to call it that.
B is correct the births exceed deaths
Answer:
Option D.) Groundwater
Hope it helps pls mark me as BRAINLIST thanks :)