What is the first step of the scientific method?

A. Research the problem

B. Make an observation

C. Design and experiment

D. Formulate a hypothesis

Which has prokaryotic cells A: rose thorn B:human kidney C: beet root D:lactobacillus

Most inorganic substances do not contain carbon, but there are a few exceptions. In these cases, carbon is not bonded to which element?

Which of the following is NOT an example of how organelles work together in cooperation to accomplish the function of a cell? A. steroid hormone response B. housing of DNA C. protein synthesis D. transport of proteins

What is the smallest entity that exhibits all the characteristics of life?

What is directly responsible for providing energy to phytoplankton in the ocean?

Cómo podemos utilizar correctamente artefactos eléctricos y electrónicos?

Most destruction in an earthquake is caused by - waves

Which macromolecule includes steroids? a. lipids b. proteins c. carbohydrates d. nucleic acids?

The diploid cell created by the joining of conifer sex cells produces a (n): a. Zygote c. Bryophyte b. Megaspore d. Angiosperm

Which is a leading theory for the formation of fossil fuels?