Which of the following statements best describes why creating a hypothesis is an important step in a scientific investigation? *

A. The hypothesis is actually the first step in the scientific method.
B. The hypothesis guides the researcher towards the results of the experiment.
C. The hypothesis provides the steps needed to analyze the data to reach conclusions,
D. The hypothesis provides a prediction about what might happen during the experiment
based on prior research.
Students are studying the effects of beach pollution by counting

Classify this reaction: 2al+n2-> aln.

What is the mass of phosphorous in a 51-kg person

Listenbase your answer to the question on the information below.nuclear radiation is harmful to living cells, particularly to fast-growing cells, such as cancer cells and blood cells. an external beam of the radiation emitted from a radioisotope can be directed on a small area of a person to destroy cancer cells within the body.cobalt-60 is an artificially produced radioisotope that emits gamma rays and beta particles. one hospital keeps a 100.0-gram sample of cobalt-60 in an appropriate, secure storage container for future cancer treatment.which choice represents the correct product for the beta decay of the co-60? fe-60ni-60fe-61ni-61