These two types of protist use an eyespot to seek light and to make their own food.

How much energy moves onto the next level, in an energy pyramid

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.