Questions in Grade High-school

Questions in Grade High-school

[Done] Evolution is: A) A change in the composition of a population from one generation to the next. B) A phenomenon that must be inferred from evidence, because it cannot be observed directly. C) The transformation of an individual to better fit its environment. D) Driven by the use or disuse of a body part, as when a finch uses its beak to crack open seeds.

[Done] What is the prefix of "enactment"?

[Done] What caused the decline in medieval trade?

[Done] How would biologists explain how a living orchid species lacking leaves evolved from an ancestral orchid species that had leaves?

[Done] A passenger on a boat moving at 1.70 m/s on a still lake walks up a flight of stairs at a speed of 0.60 m/s, as shown in the figure. The stairs are angled at 45° pointing in the direction of motion as shown. Write the vector velocity of the passenger relative to the water. Express your answer using two significant figures. Express your answer in terms of the unit vectors [tex] \mathbf{i} [/tex] and [tex] \mathbf{j} [/tex].

[Done] The discovery of gold in Transvaal contributed to the start of: A. the Anglo-Boer War B. World War II C. World War I D. the Peloponnesian War

[Done] How does debate in the Senate differ from debate in the House?

[Done] A child is standing across the street from his apartment. His mother is on their balcony. The angle of elevation between the child's eyes and his mother's eyes is 22 degrees. If the distance between their eyes is 32 feet, how far is the child standing from his apartment building? Round to the nearest foot.

[Done] How is the numeral 35.012 written in words, and why?

[Done] Factor the expression. If the expression cannot be factored, say so.