I can say for certain that it's really probably not A. or D.
As for B. or C., I'd say C.
Answer: Eye drops are effective when it placed into the eyes with care and proper instructions.
Eye drops should be placed in the lower conjunctival sac that starts at the inner side of the eye not the outer side called as canthus.
If the eye drops are dropeed on the cornea of the eyes and this causes discomfort and hence should be avoided.
It should not be placed on the opening of the lacrimal ducts otherwise it will avoid the systemic absorption.
Answer: The correct answer would be YYRr and Y_Rr
Explanation:
Let us denote Y and y be the alleles of the gene responsible for seed color and R and r be the alleles of the gene responsible for seed shape. Capital letter is for dominant allele and small letter is for recessive allele.
Being dominant traits, both the parents should have at least one dominant allele of both the genes. It is because the phenotype of both parents is yellow and round seeds.
In addition, F1 shows single phenotype for seed color but both phenotype for seed shape. The presence of recessive phenotype in F1 indicates that both the parents must be heterozygous for seed shape, that is, Rr.
However, for seed color, it is possible that either one or both were homozygous, that is, either both YY or one parent is YY and another parent is Yy.
Answer: from an easily identified and confined place.
4. Give examples of point source pollution. The classic image of a factory smokestack belching smoke and fumes into the air or an industrial discharge pipe pouring contaminated liquid into a river are some great examples of point source releases to the environment.
5. What is non-point source pollution? Non-point source (NPS) pollution is pollution resulting from many diffuse sources, in direct contrast to point source pollution which results from a single source.
Explanation:
Answer:
100% of the water is part of the hydrological cycle.
Explanation:
The hydrological cycle is a cyclic process that occurs mainly in the biosphere; this hydrological cycle is in constant movement in the repetition of its cycle; it has different stages, among them the evaporation, condensation, precipitation, infiltration among others.
In the hydrological cycle, 100% of water enters, which is obtained mostly from the oceans; another percentage is extracted from glacier ice and groundwater, also acquires a small percentage of water from the atmosphere and freshwater. And the time of permanence of the water in the hydrological cycle depends on its quantity, so will be the days that it will remain.
<em>I hope this information can help you.</em>
