If you would’ve attached a picture I’m sure it would’ve been a lot easier.
Answer:
The answer is C. Organ systems please brainly me!
Explanation:
Answer:
B
Explanation:
It is important to only test one variable at a time because you need to be able to disprove or prove a problem with just one independent variable. When you have several variables in the experiment, it would be impossible to know which variable honestly caused the end result.
Answer:u would have 40
Explanation:
because ur taking them away