Obsidian, pumice, and scoria have fine grained or no visible crystals because they were formed. a) (Cooled fast/Cooled slow) b) (inside/outside) c) (above the Earth's surface/below the Earth's surface) d) intrusive/Extrusive)

What condition should be met for the stellar parallax method to be useful? A. the star should be situated within the Milky Way B. the star should be brighter than the Sun C. the star should be close enough to the Sun to show a measurable parallax D.

A hypothesis is developed by determing a way to test multiple uncontrolled variables

A. a cell with a diploid number of 12 chromosomes undergoes meiosis. how many daughter cells will be produced and with how many chromosomes in each?

Identify the two kinds of particles that make up the nucleus

What kingdom includes organisms credited for breaking down dead plants and animals into rich soil?

Local conditions such as heavy rainfall or the removal of plants may limit the amount of nitrogen, phosphorus, or calcium available to a particular ecosystem, but the amount of carbon available to the system is seldom a problem. Why

Infer why there is more species diversity in southern florida than there is in northern alaska

Wich can modern taxonomy do

A nurse is caring for a patient who has been receiving a drug by the intramuscular route but will receive the drug orally after discharge. how does the nurse explain

What patterns are observed in the organization and distribution of matter in the universe