An organ is a group of tissues working together to perform specific functions. An example of an organ is the heart.
Answer:
I think it's a) 0.3 km/min
Answer:
B. Pesticides from the farm up the road made their way into the pond and poisoned the fish.
Explanation:
It is completely normal to get results that do not support the hypothesis.
If a scientist encounters this, he/she should refine (change) the hypothesis and perform the experiment again.
Hope this helps!
A nebula is not a star. It is a giant cloud of dust and gas that comes from stars
