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To detect an extrasolar planet by means of the Doppler shift, you look for a periodic shift of the spectrum lines of the a. star the planet is orbiting. b. planet. c. star and the planet.

Do you think 21 days is enough time to observe the moons phases

What cities were important to trade on the arabian peninsula

The two most important resources in the region are

Geography and climate are closely related. True False

Prior to European Contact - As native populations migrated and settled across North America overtime, they developed distinct and increasingly complex societies by adapting to and transforming their diverse environments.

Briefly describe three of the theories scientists have proposed to explain natural climate changes.

Is a garnet magnetic

The littoral is a zone identified in lakes and ponds and is the coldest because it is shallow and lacks nutrients to support life. True or False

What was the Bangladesh formerly know as?