<h2>Answer </h2>
Option A - Stratified sampling
<u>Explanation</u>
The student used Stratified sampling as in the following process the student divided the students of the high school into equal subgroups before sampling. Then a random sample is drawn from each group. Members in Sophomore, Junior, and Senior classes may not be fixed as they are picked on random bases. However, the objective is to improve the accuracy of the sample when the population size is too large.
1/3 - 1/2 = 1/6
1/6 live in rented dwellings with school age children
Answer:
they can advertise deals and new items or services that are being sold
Explanation:
Answer:
Crops are now immune to many diseases and insects.
Explanation:
The constant advancement of science and technology within agriculture has been very beneficial to the better use of crops and to stimulate a better food supply, which has a beneficial impact not only on the lives of consumers, but also on the economy. One of the greatest benefits presented by this advance in science and technology is the ability to give agricultural crops resistance to pests and diseases. This is possible thanks to genetic engineering and advances in the study of agricultural entomology and microbiology, which have allowed scientists to manipulate plants to resist attack by harmful insects and microorganisms in agriculture. This resistance allows the plants to develop well and to produce products suitable for sale.
