when the seafloor spreads apart volcanoes and ridges are formed because

In a woody stem, cork cambium ... ? A. forms phloem by producing sieve tubes B. forms xylem by producing vessel cells C. produces the cells of the outer bark D. becomes vascular cambium

Emily is a 25-year-old asian female. emily is complaining of frequent headaches over the past 3 weeks. emily is taking birth control pills and smokes one package of cigarettes a day. she also complains of light sensitivity, nausea, and vomiting.

What causes the striking red color associated with some parts of many emission nebulae?

What are the possible genotypes for a person with type A blood or type B, or type AB or type O?

Explain why the plant cell swells up when the cell is placed in water

Yellow bananas are called triploid organisms. Why do you think this is?

A method for eating out healthfully is to a method for eating out healthfully is to order any meat dish grilled or broiled and avoid fried or breaded meat dishes. eat out only when you are not especially hungry.

What conclusion would be mostappropriate about the genetic variation between humans and the three apes as illustrated by the phylogenetic tree

Is DNA allowed to leave the necleus of the cell?

What two things get thrown out of a cinder cone volcano