Answer:
Alkali metals are any of the elements found in Group IA of the periodic table (the first column). Alkali metals are very reactive chemical species that readily lose their one valence electron to form ionic compounds with nonmetals. All elements in the alkali metal group occur in nature.
Explanation:
Answer:
Some mutagens strip DNA nucleotides (bases) of essential modifications—for example, they deaminate the bases—such that these bases resemble different nucleotides and confuse the DNA replication machinery. Subsequent rounds of DNA replication then permanently incorporate such changes.
Explanation:
An arrangement of receiving money, goods, or services now in exchange for the promise of payment later is called credit. With credit, a person can get a car, house, appliances, furniture, and much more. The correct answer is C.
Answer:
because the items in a meal are all different and digest differently
The hypothesis can be defined as an educated guess, which is made by the scientists doing a scientific research.
In this case, the scientist want to test the presence of the limonite in the yellow rocks, So, proposed hypothesis should include the color of rock they want to observe and the posssible outcome, which need to be tested.
So, a proposed hypothesis can be:
<h3>The rocks, which have yellow color are made up of mineral limonite. </h3>
