When I scientist is setting up a control group they should get a product alike but really shouldn’t do anything. The control group is the group that stays the same so the scientist can see what changed. So for example: if u r testing that is a dog gets more pets they will be happier. So the control group would be the dogs that have gotten the amount of pets they had before, and the other group would be the group that got MORE pets. I hope this answers ur question
Answer:
What replaces steam? What new power source was developed in the late 1800s? In the late 1800s, a new power source—electricity—replaced steam as the dominant source of industrial power.
Answer: Robbing. Burglary.
Explanation:
The europeans could build more expensive things to sell in life
Answer:
They use 20- day months, and had two calendar years. the 260-day Sacred Round or tzolkin, and the 365-day Vague Year, or Haab. These two calendars coincided every 52 years. The 52-year period of time was called a "bundle" and meant the same to the Maya as our century does to us.
Explanation:
