Answer: B
Explanation: biotic means living abiotic means non living.
<span>Both a and b, conduction happens between collision of molecules while convection is transfer of heat between liquids.
</span>Conduction and convection along with radiation...for radiation see the theory of photo electric effect and Compton effect...
Okay, I can't upload a picture (my phone is broken so I'll try to explain the answer for problem number 7. Here you go: top left box EE, top right box Ee, bottom left box Ee, bottom right box ee. Also, you know to add two capital E's on top of the two top boxes like in the example for problem number 9 it has two lowercase n's (I hope I explained that in a way you can understand). on the left side of the top and bottom boxes, you should have E (top) and e (bottom). Draw it and I can tell you if it's correct.
Artificial foods help the food not grow mold like regular foods that rot faster
Then food dye makes foods appealing
And artificial flavors make food taste better too
So think about these things