Answer:
The act of carefully watching or examining a person or object when something is happening is known as an observation. An act of deriving rational conclusion from known facts or circumstances is called inference. ... On the other hand, the inference is an explanation or assumption of what one has perceived or seen.
Explanation:
Scientific theories are often so powerful because they have been tested several time by different peoples and they have been found to be true. A scientific theory is a well substantiated explanation for a specific phenomenon which has undergone many observations and experiments and has stand the test of time. Thus, scientific theories always have to be reckon with because they have been severally tested.
Answer:
B: Polyermase Chain Reaction
Explanation:
PCR is when we take a segment of DNA and multiply it! We can see that the number of DNA segments are increasing therefore it is PCR. Hope this helps!
Answer: Bam
Explanation: Scientists are able to understand Earth's interior by studying seismic waves. ... Seismic waves travel at different speeds when they pass through different types of material, so by studying seismograms, scientists can learn a lot about Earth's internal structure.
Answer:
When someone is openly getting bullied and pushed at, but no one helps
Explanation:
This post was made by alessdaiwastaken. If this helped you, please mark Brainliest. If it didn't, then feel free to correct me!
