Obesity rates may have risen since the 1970s because today a) student are more likely to walk or ride their bikes b) families are more likely to cook their meals at home c) restaurant portion are about 30 percent larger d) student get more recess time at school

Your best answer would be letter c because all the rest of the answers would be supporting the fact that people would be loosing weight and not gaining it.

C, because portion sizes will make people more likely to eat more, because people don't like to waste food.

1.)dr. natterson- horowitz came to realize that their isn't much of a difference between animals and humans. just like humans, animals can suffer from illnesses and diseases like breast cancer, self injury, anxiety, and many more. she also discovered how they even treated and performed surgical procedures on animals just as if the animal it self were human. the los angeles zoo called dr. natterson- horowitz because they knew that she was a doctor and that  she would be able to recognize what was wrong with the gorilla. they knew that humans and gorillas were similar, so instead of calling another veterinarian, they called a doctor.