What did marcia roye do for the wold?

What allows a boat to float? What is the tiny hole in the seed-coat called? How do the five senses rank in importance in yielding information about your environment? If experiments support a hypothesis why is the hypothesis still not considered? Are most living things made up of mostly carbon dioxide? What are three things you need to do before you hike? How many Years to reach the centre star of Orions belt at light speed? Can you scratch plaster with a fingernail? Cracks in the moons bedrock are called? Organisms with hard parts stand a good chance of being fossilized if they are? What are advantages of using physical control method of pests? What is a virtual image? What material is a cool box? What are the four tissue types of the human body? How do you know if you've popped your cherry? What is the law that describes the relationship between volume and temperature of a gas when pressure is consistent? 15 quarts equals to how many gallons? What are the names of the four nitrogen bases that make up part of DNA? What are some patterns that occur in everyday life for example day and night is a pattern that occurs? What is the name for a generalization base on many observations and experiments?