A scientist studies a model of a widely accepted theory about the position of planets and sun. The model would most likely help the scientist to (2 points) a prove that the theory would not change in the future b demonstrate how the theory can be changed into a law c understand facts which cannot be easily observed d prove that all other facts about the universe are incorrect

What are chlorofluorocarbons made of

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems

Approximately what portion of the foods that we eat have been genetically modified in some way? a. fewer than 10% b. about 50% c. nearly 100%