What is free nitrogen?

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nitrogen that is ready for plants to use

nitrogen that has been fixed by bacteria

nitrogen that cannot be used by organisms

nitrogen that is returned to the soil by decomposers

Seismic waves are mechanical waves. True or false?

How do restriction endonucleases work? They add nucleotides to DNA. They cut DNA at specific sequences. They cause gene mutations.

Which action would be the most likely to result in encouraging evidence-based practice?

When the two solutions are mixed, a clear solution with white powder at the bottom results., What has caused this change?

This is broken off of ATP to release energy to a sell ... ?

Which structure connects the lateral ventricles to the third ventricle?

The prefix semi means "half," "partially," or "somewhat." explain why this prefix is appropriate for the term semiconductor.

2. extinct : endangered :: a. dinosaur : crocodile b. forn : coal c. death : illness d. coral : rccf

Which of the following statements regarding genotypes and phenotypes is false? Alleles are alternate forms of a gene. The expressed physical traits of an organism are called its phenotype. The genetic makeup of an organism constitutes its genotype.

Which of the following is NOT a biomolecule A.) water B.) lipid C.) Nucleic Acid D.) protien