Gold's streak is colored golden yellow to brass yellow.
The pollutants in 1970 were the highest since recorded history and are declining steadily.
<span>photosynthesis is considered to be anabolic, because it is a process of growth, anabolic being the term used coming from anabolism which is synthesis of proteins or growth, and endergonic being because it is photosynthesis is a process in which heat or energy is absorbed , this being from the sun. Endergonic process are growth processes and this is why photosynthesis is considered to be anabolic and endergonic.</span>
The only correct answer in this case is B - a stroke.
None of the other answers could be counted as correct here.
While A - a heart attack is conceptualy similar, when we're talking about a heart attack, we're talking about not enough oxygen that gets delivered to the heart - because something is blocking it.
C - hypertension on the other hand means someone has a higher blood pressure than is usual for a regular human being, which puts more strain on his cardiovascualr system.
and D - atherosclerosis doesn't come even close to be correct :)