Human activity can affect the river ecosystems because first of all humans take the water and use it for themselves, they also pollute it, disturb the ecosystems and kill fish or oysters etc. in the ecosystems.
Answer: absolute certainty is often difficult to achieve. Scientific uncertainty generally means that there is a range of possible values within which the true value of the measurement lies.
Please brainliest
Answer:
ok
Explanation:
Simple sentences contains on independent clauses ,also called main clause ,that stands alone.
Complex sentences contains an independent clauses plus one or more dependent clause.
Compound Sentences contains two independent clauses joined with the coordinating conjugation and comma .AND IT'S ENGLISH QUESTION NOT OF BIOLOGY.
I personally think that it's C because all others r present......even D......because plants like climbers do curl around a tree trunk !!!
G) The objects must be different temperatures
The way that heat transfer works is that the warmer object transfers energy to the colder one in order to reach equilibrium
