Answer:
Scientific drilling
Explanation:
Like proves sent into outer space, scientific drilling is a technology used to obtain samples from places that people cannot reach.
<h2>Monosaccharides</h2>
Explanation:
Monosaccharides are the simplest form of sugars found in innumerable common food items such as honey, cane sugar, fruits
Monosaccharides are divided into two groups depending on the presence of functional groups,if aldehyde group is present then it is known aldoses and if ketone group is present then it is known as ketoses
On the basis of carbon atoms they can be classified as: triose(3),tetrose(4),pentose(5),hexose(6) and so on
a. erythrose : tetrose ketose-It is not correctly paired because erythrose is a tetrose monosaccharide which has one aldehyde group hence is an aldose
b. dihydroxyacetone : triose ketose-It is correctly paired;it is an aldose-ketose pair
c. erythrulose : tetrose aldose-It is not correctly paired because erythrulose is a tetrose monosaccharide having ketone as functional group hence is a ketose
d. fructose : hexose ketose-it is correctly paired;It is an anomer because in D-fructose carbonyl group is at C-2 hence C-2 is the anomeric carbon
e. ribose : hexose aldose-it is not correctly paired because ribose is an aldo pentose not hexose;ribose is an aldo-ketose pair
f. glyceraldehyde : triose aldose-it is correctly paired;an aldo group
The answer is C because hydrogen bonding can only take place in polar molecules with hydrogen atoms
The nephritic syndromes produce a proliferative inflammatory response, whereas the nephrotic syndromes produces increase permeability of the glomerulus .Nephrotic cause the body to secrete much protein in the urine while nephritic cause swelling and inflammatory of the glomerulus in the kidney.
<u>Answer</u>
neural tube defects
Folic acid before conception and during pregnancy helps prevent n<u>eural tube defects</u><u>.</u>
