Which ingredients are the best known and most widely used antimicrobial agents?
a. salt and bht.
b. nitrites and vitamin c.
c. sugar and tartrazine.
d. salt and sugar.
e. sulfites and citric acid.

he answer is the letter D salt and sugar

Salt, along with sugar, seems to have become the number one public enemy in our current diet. And not because they are harmful in themselves, since they are two essential and necessary components of any diet, but because we do not know how to control the amounts of these nutrients, nor of many others. In fact, in some countries it is consumed twice as much salt, or twice as much sugar, far exceeding the limits recommended by WHO.

to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made

the answer is false, i know this answer is late but its for anyone else that needs it.