Of which era was the cretaceous period?

What happened to the deer population through out the years?

Cells that are the main water-conducting cells of a plant are

All of the cells in this potato plant have the same DNA. Which of these would best describe why the cells differentiate into different parts of the plant, such as the roots, stems, and leaves? A) DNA gets deleted from specific cells.

A) even small changes in body weight may signify changes in blood volume and therefore blood pressure b. dialysis is likely to cause edema, and such swelling must be controlled c.

A motorist travels 406 m during a 177.0 s period. what was the average velocity?

Explain why land use planning has to incorporate such diverse disciplines as architecture, urban planning, and environmental planning.

Dna strands are held together by

Coal is the biggest source of electricity production. Discuss some of the effects of coal mining and use for power? How can you reduce the amount of coal used for electricity production?

True or false the grain group includes, cereal, rice, pasta, and grits

Read the paragraph, and then answer the question. The solid part of Earth is made of huge chunks called plates. These plates sometimes move. When this happens, earthquakes may occur.