Answer:
i want to say 6 but I am not sure
D,record observations and measurements.
I guess I would say b or d. Because concluded results change over time with better technology and some solutions dont work.
Answer:
there are all kinds of signals occur in the brain
Explanation:
Hope this help not sure if it is the right answer
The fertilizers used by farmers can have negative effects on aquatic ecosystems because there is every possibility that the runoffs from the fields can create an algal bloom in the nearby water body. This algal bloom can have a very negative effect on the living organisms of the aquatic body. I hope it helps.
