match these items.
1. electron cloud
2. orbit
3. john dalton
4. n=1 shell
5. niels bohr
6. atom
7. molecule
8. proton
9. electron
a. negative charge
b. basic unit of matter
c. electron path
d. drew first picture of atom
e. three-dimensional orbits
f. two or more atoms bonded
g. inner orbit
h. developed atomic theory
i. positive charge

Is there any solid scientific evidence that humans have been cloned?

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars