She talks as if she knows everything

What is the name of the tool scientists use to identify a species? species key dichotomous key species marker dichotomous marker

Explain which dri value would you use to make sure that the vitamin supplement that you use does not contain too much vitamin a

Which of the following types of food would you generally put a demi-glace on? a.poached fish b.beef tenderloin c.cooked asparagus d.chicken lasagna e.vegetable au gratin