Which of these is the best reason to carry out scientific research on environmental issues?
O A. To make people feel guilty
B. To create jobs for scientists
C. To elect better informed politicians
O D. To help people prepare for the future

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000