I think its true because oxygen makes up about one-fifth of the Earth's atmosphere. Nearly 90 percent of the weight of the oceans is due to oxygen. In addition, oxygen is thought to be the third most abundant element in the universe and in the solar system
I believe the answer is somatosensation
Answer:
petrified fossils → date sedimentary rocks
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.
