John Dalton's theory states that atoms cannot be

A 27 g pancake (61 Food Calories) is burned in a calorimeter that contains 500 g of water. How much does the temperature of the water increase if all of the energy from the pancake is transferred into the water?

What are hyphae made of? soil and rocks cilia and flagella spores and sex cells

Which type of cells have a thick, mineral matrix in order to provide structural support? A. nerve cells B. blood cells C. sperm cells D. bone cells

Why a human body needs proper digestion

Why can scientists not always divide a period into epochs

Raul skipped lunch before lab. He has a bag of chips from the snack machine he would like to eat. What is the safest way for him to eat his chips? A. eat his chips at his lab bench after cleaning it thoroughly B.

Compared with all other states, Alabama ranks __for having the most number of extinct species: a. second b. last c. 49th d. fourth

The three types of stress that act on earths rocks are compression tension and what

What is a molecule and what's if their function

Which population of organisms would begin the flow of energy through a desert food web?