Energy resources may cause air and water pollution. they also damage public health, wildlife and habitat loss, as well as water and land loss, and global warming emissions
Answer:
C and A
Explanation:
Negative feedback occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances.
Answer:
A bulbous plant with large trumpet-shaped, typically fragrant, flowers on a tall, slender stem. Lilies have long been cultivated, some kinds of being of symbolic importance and some used in perfumery.
Answer: Hierarchical diffusion
Explanation:
Hierarchical diffusion describes a situation where information is first shared amongst certain people such as a group of connected individuals and then those ones spread it as well to others.
This is what happened here. President Obama's tweet was first seen by people who followed him and so were connected to him on Twitter and then as they retweeted it, more people saw it and retweeted it as well leading to the tweet being shared to millions.
