Scientists often perform repeated investigations. What is the main reason for this.

Which is an example of a chemical change? A. a teaspoon of salt dissolves B. a candle burns C. a pan of water boils D. a burner gets red hot

The order of nucleotides is the same for all people. True or False

Grizzly bear: Ursus arctos polar bear: Ursus maritimus What do the scientific names of the grizzly and polar bears tell about their similarity to each other? A. They are the same species in different genus. B.

During which phase of the moon may a solar eclipse occur? new moon full moon first quarter moon third quarter moon

What sort of analysis would this statement produce? Highlight and describe in detail the key features of an aquatic animal quantitative data analysis qualitative data analysis inferential analysis

Is there a relationship between the number of chirps per minute and the temperature? If so, describe the relationship.

What differences do you see in the molecular shape of CO2 and NH3?

They lack chloroplasts, but have thylakoid membranes, and are thought to have been among the first organisms on Earth.

If you live in southwestern north america and are experiencing drought conditions, what do you hope will happen?

1. During mitosis, a single cell divides to produce two daughter cells. What must happen in the original cell so that each of the daughter cells has a complete set of chromosomes?