Answer:
Negative controls are particular samples included in the experiment that are treated the same as all the other samples but are not expected to change due to any variable in the experiment.
Step-by-step explanation:
Use a ruler and measure it. We can't tell from the picture. Use the scale provided that 1 cm represents 5 feet.
1.3(-7) x 22= -200.2
.............
Answer: D, .1
Step-by-step explanation: 10 marbles and 1 green
50 times she pulled and almost every ten tries she got green meaning there's a high chance of her getting 1 green every 10 tries