Quartzite is a coarse grained rock derived from sand stone what type of rock is quartzite

A. metamorphic

B. igneous

C. sedimentary

D. extrusive

What kind of animal uses a hydraulic system to move? a. Snails c. Shrimp b. Roaches d. Echinoderms

Which of these methods is NOT solely applicable to biological classifications? A. Whittaker's classification B. Cladistics C. Linnaeus's classification

The Mississippi River flows into the Atlantic Ocean at the Gulf of Mexico. What can you conclude about the salinity of ocean water near the mouth of the river?

Compared with messages delivered by the nervous system, messages delivered by the endocrine system are:

Some scientists have collected and stored seeds for many types of food-producing plants. The purpose of this is to (1) increase the destruction of environments (3) decrease the dependence on plants for food (2) continue the deforestation of world

According to "Life Without Gravity," why can astronauts' muscles become weak? A. Without gravity, the blood is rerouted from the legs to the head. B. Without gravity, the body "grows" by as much as several inches. C.

What type of igneous rock has two distinct grain sizes indicating two stages of cooling

A certain type of diploid organism has 38 chromosomes. how many chromosomes would a gamete of this organism have?

Griffith, in his 1928 experiments, demonstrated that bacterial strains could be genetically transformed. The evidence that DNA was the "transforming principle" responsible for this phenomenon came later.

Is the organism Fern extinct