What step of urine does it become acidic?

Explain the term "trophic cascade"

How does the size of a cell's surface area change compared to its volume when the cell grows?

A gradual change in the environment takes place slowly over a long period of time. Which of the following events usually changes the Earth's surface most gradually? A. erosion B. lightning C. floods D. earthquakes

If an object absorbs or reflects all of the light that hits it, the object is called

what type of bond holds the hydrogen atoms to the oxygen atoms in a water molecule? What type of bond holds an oxygen atom to a hydrogen atom?

Describe jean Baptiste Lamarck's idea of evolution

Explain why food needs to be digested before cells can use it for energy.

Which is an example of and internal stimulus 99 pts giveaway

What difference in traits is caused by chromosomes?

What is the difference between a gene and an allele? a. a gene is a form of a trait, and alleles make up genes. b. a gene is a sequence of bases in a dna molecule, and an allele is an alternative version of a gene that codes for the same feature. c.