An associated characteristic linked to anorexia nervosa is purging after food consumption where an individual forces out the food that he or she consumed
A fatty acid is a carboxylic acid with a long aliphatic chain. It can be saturated or unsaturated. In order to describe correctly the fatty acid, the length of the carbon chain should be given, the number of double bonds and the exact position of the double bonds.<span />
An extinction event is a well-known
and quick decrease in the biodiversity on Earth. Such an occurrence
is recognized by a sharp change in the diversity and abundance of multicellular organisms. It happens when the
rate of extinction surges with respect to the rate of speciation.
In other words, this happens when species cannot adapt generally to the change
in the environment. So the correct answer would be letter a.