<u>Answer:</u>
Option (C)
There is no change in mass during a chemical reaction;
<u>Explanation:</u>
The law of mass conservation can better explain this phenomenon. According to the rule, "Energy can not be either produced, nor can it be lost."
In simpler terms, the total masses of all substance involved in a chemical reaction are same. Furthermore, the total atoms on either sides, i.e., reactant side and product side are the b.
Answer:
Small external openings of lungs help in two ways:
1. It helps in trapping the dust and pathogens like bacteria, fungal spores et cetera. Larger opening would provide dust and pathogen a wider area to enter into the body.
2. The smaller opening prevents the drying of the respiratory membrane. A moist membrane is essential for the successful exchange of oxygen and carbon dioxide in the lungs.
Sexual Reproduction. Meiosis can be pronounced (MIosis) but for the purposes of not getting it confuses me Mitosis, I pronounce it (MEosis), and the way I remember it is, (MEosis) is use for sexual REprodection, to make gamETES. Hope it helped! :)
Answer:
Explanation:
Diffusion is a substance movement from a region of high concentration to low concentration
I think the correct answer from the choices listed above is the first option. The true statement would be that all the populations in an ecosystem form the community. A<span> </span>community<span> or biocoenosis is an assemblage or association of </span>populations<span> of two or more different species occupying the same geographical area and in a particular time.</span>
