About how long have wastewater treatment plants been in existence?

A- 50 years
B- 120 Years
C- 190 years
D- 220 years
E- 300 years


B- 120 years ago

Biology & Microbiology

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Scientists observed that marine bryozoan fossils lack intermediate forms. This evidence supports which hypotheses? Check all that apply.  

_____  Evolution occurs in spurts, alternating with long periods of little change. _____  Evolution proceeds steadily, with gradual, incremental change in a given evolutionary line. _____  There is variability in the rate of evolution. _____  Evolution proceeds at a constant rate that is the same for all organisms. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required?   Gather Content · What do you already know about punctuated equilibrium?   Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer?   Reflect on Process   · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?  

Biology & Microbiology

The tuberculin reaction develops within 30 minutes of the skin test in people with prior sensitization due to tuberculosis infection.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Antimicrobials known as "attachment antagonists" are particularly useful for preventing

A) bacterial protein synthesis. B) cell membrane synthesis. C) virus infection. D) nucleic acid synthesis. E) biofilm formation.

Biology & Microbiology

Identify the region of the skull that articulates with the atlas.

What will be an ideal response?

Biology & Microbiology