A volcanic winter is a reduction in global temperatures caused by volcanic ash and droplets of sulfuric acid and water obscuring the Sun and raising Earth's albedo (increasing the reflection of solar radiation) after a large, particularly explosive volcanic eruption.
Scientist wanted to heat up DNA replication to make the reaction go faster. B
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Answer:
(D). Disaccharide.
Explanation:
A disaccharide can be defined as a molecule, made up of two monosaccharides. To form a disaccharide, two monosaccharides join together with the help of an O-glycosodic bond between them.
Sucrose is an example of disaccharide, which is made up by joining of fructose and glucose molecules.
Answer:
This suggests that the moustache is a releaser for aggression.
Explanation:
<em>Fixed action patterns</em> are instinctive programmed responses in different species that are triggered by a specific external sensory stimulus. These stimuli are called sign stimuli or releaser. When the sign occurs, the animal starts a sequence of acts in response to the stimulus and continuous until the series of actions is completed.
The black feathers resembling a mustache in a <em>Northern flickers</em> male are an external sensory stimulus. This trait that can provoke another male to respond aggressively, as a f<em>ixed action pattern</em>.
This trait might be considered as an <em>unconditioned stimulus</em>, which <em>provokes an unlearned or reflex reaction</em>. These aggressive responses are triggered by reflex.
Answer:
it A
Explanation:
pick A hopefully it right
