Answer:
Explanation:
DNA molecule has being observed to look like a twisted ladder. It's backbone is made up of deoxyribose sugar, phosphate group, and one of four nitrogen bases ;adenine (A), thymine (T), guanine (G), and cytosine (C).
A unit of these component is called a nucleotide .
Answer:
Generally, we know that ionic compounds are formed by reaction of metals and non metals and non metals form a covalent or non ionic bonds.
<u>IONIC COMPOUDS</u>
- Iron and chlorine (FeCl2) , ( FeCl3)
- Chlorine and Lithium (LiCl)
- oxygen and calcium ( CaO)
- Potassium and Sulphur ( K2S)
<u>NON IONIC COMPOUNDS</u>
- Potassium and Calcium (covalent bond)
- Sulphur and Bromine (covalent bond)
Explanation:
B. 1, 2, 1, 2. You balance the equation by making sure there are equal elements on both sides.
Then it is C hope it helps :)
<span>The correct answer is B. distillation. Distillation is the process that works for substances with different boiling points. Filtration, straining and screening would work if we were to separate solid objects from water, not these two liquids.</span>