The <span>era that is know as the age of mammals is the </span><span>Mesozoic
period.
Answer: Letter D
Hope that helps. -UF aka Nadoa</span>
The angle of incoming sunlight varies at different places.
Answer:
7
Explanation:
pH electrodes will NOT give accurate pH values in distilled or deionized water because distilled and deionized water do not have enough ions present for the electrode to function properly. ... It is important to keep mind that water (distilled, deionized, or tap) is NOT “pure” (i.e., pH equal to 7).
Answer:
#2.
Explanation:
Look at the charges. Both are positive, therefore both are cations.
Answer:
An open system is :-
B. A system that allows energy and mass to move in and out of it.
Example :-
Water boiling in a pot on a stove. (Without lid).
