What change would most likely cause a mineral deposit to become an ore?

Basketball is unquestionably Europe's national sport

Indicate whether the statement is true or false

How would you figure out if rock unit A or rock unit D formed first, or if they coincided?

What will be an ideal response?

natural selection arising through preference by one sex for certain characteristics in individuals of the other sex

What will be an ideal response?

Explain the statement "the lower down in the food chain we eat, the greater percentage of solar energy we put to use, and the more people Earth can support" in terms of trophic levels and pyramids of energy

What will be an ideal response?