If the sin of an angle is the same as the cos of a second angle, then the two angles are a) complementary
b) right
c) supplementary
d) congruent

Relatively steep zone that is compared with the shelf that marks the boundary between continental crust and ocean crust.

Which of these is least likely to be an adaption? a. a mouse digs a hole to hide from predators. b. a snake bites its prey to deliver it deadly venom. c. a jackrabbit has large ears that it release body heat. d. a parrot learns to say its owner's name.

Data courtesy of the un development programme 2006-2008 and world bank 2009 the chart above compares measures of development using the hdi and gdp. why might turkey rank lower in the hdi indicator even though it has a high gdp? a. turkey has a lower gdp than comparable countries in the hdi ranking. b. turkey must increase its hdi to have a higher gdp ranking. c. turkey is only compared to other european countries in gdp, not to the world, as it is in the hdi. d. turkey may struggle to provide adequate education or health care, or it may have a lower life expectancy.