The 1930s dust bowl in the great Plains was caused byA. Deforestation B. Contour plowingC. Using renewable resources D. Poor farming practices

Who was the first fulscale oceanographic research expiditon was conducted by

In what type of psychosurgery is a device like a pacemaker implanted into a part of the brain to send electrical impulses to that area of the brain?

1) This is the process that releases energy by breaking down food molecules in the presence of oxygen

Which kind of investigations are meant to provide large amounts of information about a wide range of variables? hypothesis experimental descriptive comparative

What are the three most abundant elements found in earth's crust that combine to form minerals?

The chart below shows the codons that make up the genetic code and the sequence of nucleotides that corresponds to them. A mistake during DNA replication leads to a mutation in the nucleotide sequence shown below.

The ability of an enzyme to change shape when it binds to its substrate is called

Describe how a scientist using the phenic system would classify an organism.

A student made a model of an ecosystem inside a sealed plastic bottle. She placed soil, rocks, water, plants, and animals inside the bottle. How is the model different from a natural ecosystem? A. The model lacks producers. B.

The scientific name of an organism is formed from what two parts of the organism's classification?