How is a wavelength measured?

A.

from crest to crest

B.

from trough to crest

C.

from sea level to trough

D.

from sea level to crest

The Earth orbits a star called the

Due to the printing press and with more access to books, the literacy in Europe increased. True False

Beside the beak describe at least two other structures or method that birds use in order to obtain, or, to assist in obtaining, food

A 37 foot tree cats a 27 foot shadow. what is the angle of elevation of the sun

What does composite volcano mean

Where does the name stratovolcano come from?

Tijuana and Mexicali: (A) are planning to participate in the maquiladora program. (B) are located just opposite the U. S. city of El Paso. (C) were among the first border cites to experience a growth surge. (D) are key cities in the south of Mexico.

A tropical wet climate exists in the United States only in a. Oregon and Washington. b. Florida. c. Hawaii. d. California.

In the late 1800s, most workers worked how many days per week A. 2 B. 4 C. 6

Which characteristic are common among farms in East Africa. Choose all answers that are correct. A) Large industrial owners B) Modern Equipment C) Poor Soil D) Repeated droughts