Match the type of rock with how it forms. Igneous
?
Released in volcanic
eruptions
Metamorphic
Can form from erosion
?
Sedimentary
?
Form because of high heat
and pressure

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.

Physical characteristics of down syndrome