The pH of surface seawater usually has a value of around 8.0. That means the water is __________.
-neither acidic nor basic
-slightly basic (or alkaline)
-strongly basic (or alkaline)
-strongly acidic
-slightly acidic
-slightly basic (or alkaline)
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International treaties help protect wild species and thus help maintain biological diversity.
Answer the following statement true (T) or false (F)
Santa Ana winds warm by compression as they flow down an elevated desert plateau
a. true b. false
Diffraction occurs when light:
A) passes through both liquid droplets and ice crystals. B) strikes ice crystals at a 90° angle. C) reflects more than twice inside a water droplet. D) passes close to tiny water droplets.
The source of heating in the thermosphere is the absorption of ________
A) infrared rays from the Sun B) infrared rays from the Earth C) visible energy from the Sun D) ultraviolet rays from the Sun E) light rays reflected from the Earth