d. bacteriophages because bacteria is a single celled orginizm
As well as synthesize Vitamin D in
skin when exposed to sunlight from April until October. It is exceptional
because it can be made in the skin from exposure to sunlight. It exists in two methods
which is Vitamin D2 is attained from the UV irradiation of the yeast
sterol ergosterol and is establish naturally in sun exposed mushrooms while UVB
light from the sun strikes the skin and humans synthesize Vitamin D3
So it is the most natural form.
Answer:
This is an example of <em>classical conditioning.</em>
Explanation:
Classical conditioning is the learning of the relationship between neutral and unconditional stimuli, which is caused by repeated exposure to this stimulus pair, and which results in a conditional reaction.
The dog came from the abusive environment. Every time someone came close to him, they would, for example,<em> beat him</em>. In this case, dog’s <em>association to the touch, was beating. </em>He got a new owner, who wanted to pet him and <em>show him love by touching him</em>, but the only association he had when it came to her hands, was abusing. By repeating the new action, he started to <em>associate her hands with love and tenderness. </em>
Obesity, which could lead to stress, depression and many other health problems
