Answer:
Protostars are difficult to observe because they are surrounded by cocoons of gas and dust.
Answer:
a. True.
b. False.
c. True.
d. True.
Explanation:
A landform refers to a geomorphic or natural feature of the Earth's surface, which typically makes its terrain. Some examples of landforms on planet earth are mountain, plains, volcanoes, valley, hills and plateau.
Basically, the tectonic plates such as the oceanic and continental lithosphere interact in three (3) ways and these are; divergent, transform and convergent boundaries.
a. Plates shift the continents around as they move, so Earth's surface is constantly changing.
b. False: the contacts between plates are called passive margins. A passive margin is a region where continents have rifted apart and are then separated by a body of water such as an ocean.
c. True: plates may consist of both ocean floor and continental crust, but never just oceanic or continental crust.
d. True: there are 120 major tectonic plates.
Answer:
An official alternate route is a special route in the United States that provides an alternate alignment for a highway. They are loop roads and found in many road systems in the United States including the U.S. Highway system and various state and county route systems.
Explanation:
