The correct option is B.
Harry Harlow was an American psychologist, who through his study proof that children need love and affection to develop normally. He demonstrated this by using rhesus monkey babies, who are taken away from their mothers immediately after birth. In place of their real mother, Harry provided two surrogate mothers instead and allow the monkey to chose any one they prefer. The first surrogate mother was made of wire and monkeys can get food from her while the second surrogate mother was made of soft terry cloth but the monkey can not get any food from her. Harry observed that the monkeys prefer to stay with their terry cloth mother, which provide comfort and security than with the one made of wire. The monkeys only go to the wire mother when they are hungry.
The answer is endocrine system. It is a collection of glands producing hormones that woulf regulate tissue function, growth development and regulate metabolism. The hormones would then be carried out to the circulatory system.Hope this answer would be of help.
Small pox vaccines can only be tested on humans, however Bc the flu can replicate in pigs, scientists can tests vaccines on pigs. Since there are two means in which it can spread, scientists must be aware of the genetic difference between humans and pigs and act accordingly. Influenza vaccines might have greater success rates Bc of their ability to test the efficiency of their vaccines on pigs in comparison to small pox vaccines which can only be tested on humans.
Hope this helps!
On the right side, as it is a product
the full equation is 6(CO20 + 6(H2O) = C6H12O6 + 6(O2)
