What is the term used for silica-poor (45-52%) igneous rocks with a relatively high content of calcium, magnesium, and iron?
What will be an ideal response?
mafic
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For a given set of storm conditions, there is a limit as to how big the waves can get. Indicate whether the statement is true or false
Stephen Jay Gould replicated the “craniometry” research of Samuel G. Morton and concluded that:
a. the smaller stature of females explained the difference in cranial size. b. cranial size does not indicate intelligence. c. feet size is a better predictor of intelligence. d. there is no significant difference between “races” in cranial size.
Which of the following can be inferred from the figure shown?
A) Polar bears and grizzly bears usually do not compete for the same resources. B) Both polar bears and grizzly bears can acclimate to temperatures outside of their tolerance range, but only if they are gradually exposed to the extreme temperatures. C) Grizzly bears outcompete polar bears where their ranges overlap. D) Both polar bears and grizzly bears can tolerate an air temperature of 5°C. Read the following scenario, and answer the questions below. In North America, a toxic weed called leafy spurge was accidentally introduced and has grown and spread rapidly, covering millions of acres in north-central United States and south-central Canada. Leafy spurge is generally avoided by cattle and horses and may be toxic to them. Thus, rangeland where leafy spurge has spread has been damaged by the invasion of this plant.
Explain why a smart grid is important to increasing the portion of electricity generated by renewable sources like wind and solar in the United States.
What will be an ideal response?