Jack threw several objects into a pond. One was a soccer ball that floated. One was a small metal marble that sank. One was a long tree branch that partially floated. Explain why two of the objects floated and only one sank.

In lecture, I mentioned most lakes are phosphorus limited. However, the most severely eutrophic lakes are often nitrogen limited, Explain how intense phytoplankton production can cause lakes to flip from being phosphorus limited to being nitrogen

When sea ice forms in the ocean, the salinity of the surrounding ocean water decreases increases remains the same.

Which animal is a nocturnal creature? human dog owl cow

What do we call an individual that has one dominant and one recessive allele for a trait?

Which choice names the two parts of Earth that make up the lithosphere? inner core and outer core crust and outer part of the mantle inner core and mantle mantle and outer core

Why is carbon essential to all known life on Earth?

Why are only inherited traits involved in the process of evolution?

What are uses of nuclear power?

What is the ultimate energy source for the producers

Which process is a form of mechanical weathering? A. Hydration B. Carbonation C. Exfoliation D. Oxidation