Which statement is true about resource availability and competition in ecosystems? Select one:

Ecosystems have limited resources, and organisms must compete for resources.

The amount of resources available has no effect on the level of competition.

Ecosystems have infinite amounts of resources, and competition is rare.

When the number of resources decreases, competition for those resources also declines.

Given that the volume of a cuboid is 180 cm³ and the area of one of its rectangular face 36 cm² what is the height of the cuboid

Which continents lie only in the northern hemisphere

What is the general rule about surface currents? cold water flows along the ocean floor towards the equator. the east coasts of continents have cold surface currents, and the west coasts of continents have warm surface currents. seasonal and constant offshore winds create significant upwelling along the west coasts of south and north america and africa. the west coasts of continents have cold surface currents, and the east coasts of continents have warm surface currents.