Sparrows produce an average of 5 eggs in each clutch. If there are more than 5. Parents can't adequately feed the young. if there are fewer. Predators may destroy the entire clutch.

What happens during the heat transfer within earth

Explain the side effects of cancer treatments

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?