Which statements are true about a grassland ecosystem? Grasslands receive less than ten inches (twenty five cm) of rain per year.
A large variety of trees grow here,
Much grassland has been converted to grow crops,
Many birds of the grasslands build their nests on the ground,
The soil is rich in nutrients,
Europe and Asia are the only continents with no grasslands,

Nuclear experimentation is a major global issue that affects relationships between countries. describe why countries try to limit the testing of nuclear weapons.

A/an map shows the types of rock and/or sediment present in a particular region. a map that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map. to show the dominant weather pattern in a region over a long period, a scientist is likely to create a/an map. a map has contour lines, which connect points at the same elevation. a map that uses shading to represent rates of violent crime across a state is an example of a/an map.

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before