What are the two main gases dissolved in ocean water

Im having trouble with a science question. what are the divisions in earth's atmo sphere primarily based upon?

When one dna molecule is copied to make two dna molecules, the new dna contains. - 1/[ / / ~?

20. Which of the following is an example of homeostasis? A human participates in vigorous activity on a hot day and eventually suffers from dehydration. A human body loses too much heat on a cold day, and hypothermia occurs.

Which of saturns moons rains hydrocarbons to form liquid methane and ethane lakes

Use what you know about natural selection to fill in the blanks in the hypothesis. It should answer the lab question, "What is the effect of the type of food available on the frequency of different types of bird beaks?

Which of the following sentences is the best example of a hypothesis a. UV radiation does not cause skin cancer. b. chickens lay more eggs when they are happy. c. why does the earth orbit around the sun? d. how many types of organisms are there?

What will most likely result when the jet stream moves south of North Carolina

Why is the hormone oxytocin important?

4. One of the jobs of the endocrine system is to give directions to your body about when to grow and develop. Can you think of some times during a person's life when the body changes? Avita

Describe the effect of mutation