According to the image, which act was created due to Upton Sinclair's book The Jungle?

But it wasn't until the public outcry following the publication of Upton Sinclair's The Jungle that Congress moved on legislation that would prevent “the manufacture, sale, or transportation of adulterated or misbranded or poisonous or deleterious foods, drugs or medicines, and liquors.”

radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.

the correct answer is b, "fertility rates are increasing, so populations will grow more quickly in the future."