Answer:
The correct answer is
18
Groups of the periodic table: The s-, p-, and d-block elements of the periodic table are arranged into 18 numbered columns, or groups.
Hope this helps!
- Quinn <3
Answer:
The second option.
Explanation:
We're trying to test the amount of bleach that has an effect on the stain so that is the altered variable.
The 2nd option uses different amounts of bleach to clean the same amount of stain.
If you choose the other options, people can argue that the bigger stain would be harder to clean with one cup of bleach, whereas the small stain gets two cups or the other way around.
It's not an effective way to see if the amount of bleach has an effect on stain removal.
Because of their resemblance and relationship to prehistoric reptiles and many people think that birds descended from dinosaurs
You answer is this! 0.10p
The answer is C. Mice are mammals so they need to feed on their mother's milk to survive for a few months. After a while, there mother teaches them how to hunt for food. The other animals like frogs, turtles, and snakes leave their babies to fend for themselves.
