Which one of these is a low silica, volcanic rock?

  1. Basalt
  2. Gabbro
  3. Granite
  4. Rhyolite


Basalt

Environmental & Atmospheric Sciences

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There is only one official language in Canada—English

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

Brown-headed Cowbirds lay their eggs in other birds' nests, relying upon another species to raise their chicks. Although many species continue to raise the cowbird chicks, some species reject the eggs and offspring

Further, Brown-headed Cowbirds are rare inside large forests. Which of the following probably represents an adaptation in response to this cowbird threat? A) fewer breeding birds of other species rejecting cowbird chicks B) breeding birds of other species nesting in deep forests C) breeding birds of other species attracting cowbird adults to their region D) breeding birds of other species changing to a different type of bird song

Environmental & Atmospheric Sciences

Do the annual variations in Earth–Sun distance adequately account for seasonal temperature changes? Explain

What will be an ideal response?

Environmental & Atmospheric Sciences

What is diffusion?

a. The rate at which solute molecules present in a solution is equal to the rate they are being dissolved b. The reforming of crystals c. The amount of substances tied to biological cycles d. The random movement of materials through a solution

Environmental & Atmospheric Sciences