PLEASE HELP ASAP Why did the public's opinion change about the use of DDT?

a. Several plants and animals were added to the endangered species list.

b. A biologist published a book that opened the public's eyes to DDT's harmful effects.

c. The public started to see the effects of DDT—their pets and children were getting sick.

d. A sitting president convinced the public that DDT was a dangerous carcinogen.

c. The public started to see the effects of DDT—their pets and children were getting sick.

In 1972, EPA issued a cancellation order for DDT based on its adverse environmental effects, such as those to wildlife, as well as its potential human health risks. Since then, studies have continued, and a relationship between DDT exposure and reproductive effects in humans is suspected, based on studies in animals.

The first thing that came to mind is the SMART PHONE. From analog phones to feature phones to smartphones, the smart phones is the best innovation that everybody is enjoying.

It does not only give the basic service of a phones, it also enables user to have a mini computer and easy access to the internet service without the hassle of bringing a laptop. 

There are a lot of upside and downside of having a smartphones. It makes it easier for us to get in touch with people who are far from us but because our focus is now in our gadgets, the connection with the people who are physically with and near us are compromised.