Answer:
One disadvantage of Keisha's investigation is that Keisha never find out the exact food of the wolves.
Explanation:
During Keisha's investigation, he allows the wolf to go free in order to find out their food so Keisha will never know the specific food of the wolves because in the forest there is a large variety of animals on which the wolves can feed so that's why it is a disadvantage of Keisha's investigation but keeping the wolf in the captivity just like the Kirk will allow him to find out the food preference of wolves very easily.
Answer:
Incubators.
Explanation:
We can manufacture large amount of Vaccines by growing the attenuated pathogens in the machine having control and suitable environment which is also called incubator. In these machines, temperature will be regulated that provides optimum temperature which is necessary for the high growth of microorganisms. So these pathogens produced in large quantity which leads to manufacturing of large amount of Vaccines.
Answer:
when a force is applied to an object that is not moving causes it to accelerate in the direction of the force. cause/effect
I think its false because gas exchange can happen in blood also
