Explanation:
20 men can do 1 W in 36 days
=> 20 men can do 1/36 W in 1 day
=> 10 men can do 1/72 W in 1 day.
30 girls can do 1W in 36 days
=> 30 girls can do 1/36 W in 1 day
=> 12 girls can do 1/90 W in 1 day.
Together 10 men and 12 girls can do 1/72 + 1/90 W in 1 day
= 9/360 = 1/40 W in 1 day.
Therefore they need 40 days to do the piece of work.
Answer:
A
Explanation:
Height is an inherited trait, it depends on the genes of the parent. While there are other factors, height cannot be learned or changed through work; it is mostly predetermined. The rest of the traits can be learned and improved through practice.
I'm not exactly sure what you are asking but it could be a(4)
<span>there is not adequate empirical support for its effectiveness.
The only thing that they could say 100% true is that during a meditation, average heart rate that people had would be lower compared to normal situation.
But there is still not enough proof to say that this activities could be considered an effective method to cure or maintain hypertension.</span>
Answer:
A primary group is a group in which one exchanges implicit items, such as love, caring, concern, support, etc. Examples of these would be family groups, love relationships, crisis support groups, and church groups. Relationships formed in primary groups are often long lasting and goals in themselves.
Explanation:
