The distant galaxies we have seen are moving away from earth by the red shift the law that describes its expansion is Hubble's law. It is regarded as the main observational basis on enlargement of the world. and imitation to acquire the supportive evidence over big bang model. It states that galaxies are becoming extinct at a speed that is proportional to their distance.
The purpose of the experiment is to test a hypothesis and draw a conclusion
Answer:
A and B
Explanation:
Only plants have cell membranes and chloroplast.
They can create competition within a certain niche
Answer B sounds reasonable
