In a simple food chain with 10-percent efficiency, a net primary production rate at the first trophic level is 10,000 units. How many units are available to the fourth trophic level?

convection currents in magma drive plate tectonics. the answer is true.

i believe the answer is: streets and roads

public property refers to the property that can be used by all legal citizens in a certain country. the public property was created and maintain using the government budget that allocated specifically for it. the budget itself come from the citizen's income tax payment.

$2.00 for three shots.