a substance has an atomic number of 80. how many protons and electrons do atoms of the substance have? What is the substance?

Identify how a hormone molecule performs its function

When worn down rocks are carried away, it is called

Determine whether the following disturbances will be followed by primary or secondary succession. In coastal areas, wind moves sand, blowing away or engulfing the soil, and eventually creating sand dunes: The introduction of livestock to an area

Which of these are unalienable? your weapon in a war your dna your kidney your social status?

Conducted under controlled conditions

Which describes the genetic code in a human? A. Different genetic codes appear in each different type of cell. B. Every human has the same exact genetic code. C. Genetic codes change frequently in reaction to external factors. D.

Over time, natural selection results in species that are what?

With of the following is not an energy source a) monosaccharides B) polysaccharides C) vitamins D) lipids

Scientists evalute if the data fits the hypothesis in this stage of the scientific method: 1 > Hypothesis 2> Observation 3> Experimentation 4> Conclusion

Santos have a standardized definition of life true or false