YO HELP BEFORE I DIE Which subtraction sentences have a difference of 1
1
4
? Choose Yes or No for each number sentence.

5
2
8
−
4
1
4

Choose...

8
3
4
−
7
1
2

Choose...

2
1
8
−
1
7
8

Choose...

9
5
12
−
8
1
6

Choose...

The afrikaners are an example of a founder effect that occurs when a new colony is started by a few members of the original population and the random decrease in genetic variation is an example of

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.