Weegy: The instrument commonly used to measure wind speed is an ANEMOMETER.
User: A warm front forms when
A. cold air moves up over warmer air.
B. a warm air mass meets another air mass of the same temperature.
C. warm air glides up over colder air.
D. the temperature in a warm air mass increases.
Weegy: A warm front forms when: warm air glides up over colder air.
User: The proportion of dissolved substances in seawater is usually expressed in
A. parts per hundred.
B. parts per thousand.
C. parts per ten thousand.
D. parts per million.
User: Which astronomer discovered that the planets orbit the sun in oval-shaped paths called ellipses?
A. Kepler
B. Brahe
C. Galileo
D. Archimedes
Weegy: A. Kepler. Kepler's First Law of Planetary Motion states that planets move in elliptical orbits.
User: Scientists use satellites to measure the
A. ocean floor depth.
B. size of underwater features.
C. sea-surface height.
D. ocean’s salinity.
Weegy: Scientists use satellites to measure C. sea-surface height.
User: According to the electromagnetic spectrum,
A. long-wave radiation occupies a smaller percentage than short-wave radiation
B. gamma rays and X-rays have long wavelengths.
C. visible light waves have wavelengths of less than 1 micrometer.
D. ultraviolet light waves have some of the longest wavelengths.
Weegy: The answer is: C. visible light waves have wavelengths of less than 1 micrometer.
User: Trenches form at sites where
A. one plate descends beneath another.
B. erosion cuts into the continental shelf.
C. two plates diverge under the sea.
D. the tops of undersea volcanoes collapse.
Weegy: Trenches form at sites where A. one plate descends beneath another.
User: Scientists know the universe is expanding because of the
A. red shift of distant galaxies.
B. red shift of the brightest galaxies.
C. blue ...
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