Formed by a spinning column of air that touches the ground in 1% of thrunderstroms

Which of the following describes the variable that responds to change

A recognized means of inquiry to provide scientific answers to a question is ___ A.) the Scientific method B.) a theory C.) a law D.) a hypothesis

Which of the following statements regarding the genetic material of cells and viruses is true? A. The genes of both viruses and cells are enclosed within a nucleus. B.

Which is an example of chemical weatherin

Removing stalks so that boll weevils cannot hide or nest in them is an example of A. factory farming. B. pesticide use. C. genetic engineering. D. cultural practice.

Tips of eukaryotic chromsomes are known as

Which of the following distinguishes cellulose from starch

Which numbers identify the organelles that are present in BOTH plant and animal cells? A) 1, 2, 6 B) 1, 5, 4 C) 1, 6, 5 D) 1, 5, 2

What is directly responsible for an acquired trait

Which statement best describes a physical change? Changes can occur to certain chemical properties of the substance, but the overall shape of the substance will remain the same.