Alex joins a new variety of pecan tree to some rootstock he has grown from seeds. which propagation method does he use?

A. cuttings

B. layering

C. grafting

D. clippings

Any size group of interacting parts that form a complex whole is a (n) ... blink ... A. Sphere B. Energy source C. Tectonic plate D. System

What is the definition for isthmus? Long, but narrow, topographical depression Formed by sediment from plant and animal remains Narrow strip of land connecting two landmasses Group of islands

The sun is a source of

What causes the circular motion of hurricanes? The spin of the Earth The currents in the ocean The jet stream The warm air near the surface rises and cold air sinks to replace it This organelle contains the information to run the cell.

In a fault, the hanging wall moves up relative to the footwall

How high does the earth's atmosphere extend? A. 100 m B. 1,000 m C. 10 km D. 100km

How to grow plants in space?

Based on this map of oil imports, which nation imported the greatest number of oil barrels each day in the years before 2006? A. China B. Australia C. Canada D. the United States

How far will a P-wave travel in 9 min 20 sec?

The land in Mexico City is sinking. What is the primary cause of this problem? A. deforestation caused by cutting down trees B. too much water being taken from underground aquifers C. too many offices and towers being built in the city D.