Which terrestrial ecosystem contains oak, beech, sycamore and maple trees?
a. desert
b. tundra
c. taiga
d. temperate deciduous forest e. tropical rain forest

Write a 150-word essay describing the effect of people's activities on the environment in the region.

Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor.b. increased mechanization has increased the need for water, thereby increasing the need for labor.increased mechanization has increased the use of land, thereby increasing the need for labor.d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.

Aplane cuts a pyramid as shown in the diagram. what is the shape of the cross section? a. a hexagon b. a pentagon c. a square d. a triangle