The greatest influence on a stable ecosystem in nature is;

A: Man

B: Pollution

C: Animal

D: Rainfall

The resultant of two vectors acting at a 90°-angle can be determined from the ___ of the rectangle.

Which of the following statements about topography is correct? A) The topography of an are includes the area's elevation, relief, and landforms B) The topography of an are includes the area's oceans and seas C) The topography of an are includes the

What type of crust does rhyolitic magma form?

If there are only a few remaining of and insect species living in one area, What would most likely cause this species to become extinct?

What is a mass extinction? How many have occurred in the last 600 million years?

What are the four parts of an insect?

Dna differs from rna in that dna select one: a. contains deoxyribose. b. contains uracil and rna does not. c. carries genetic information and rna cannot. d. is present in the cytosol and rna is not. e. is often single-stranded.

A nurse has provided education for a patient newly diagnosed with hypertension who is just beginning therapy with antihypertensive medications. Which statement by the patient indicates a need for further teaching?

If a cell contains 95% water and is put into a beaker with 100% water, what will happen to the water? What will happen to the cell? on is to tuborgs St

The conclusion in a science text