mcookie09 mcookie09

23-03-2020
Biology

contestada

How can pollution affect the level of oxygen in water? Why is this
important?

Respuesta :

natjojo051211 natjojo051211

26-03-2020

oxygen is necessary for good water quality. As dissolved oxygen levels in water drop below 5.0 mg/l, aquatic life is put under stress. The lower the concentration, the greater the stress

Answer Link

Otras preguntas

how can you improve customer service? you should obtain regular _____ from monsumers to learn about their views on customwr service.

What percentage of Japan’s population is over 65 years old? A. 20% B. 25% C. 35% D. 50% Please select the best answer from the choices provided A B C D (thi

look at this pic and help me out please

a. Write 2 -3 sentences describing the big bang theory and explaining why it is considered a theory, as opposed to a hypothesis. b. Write 2 -3 sentences explain

What is the slope of the line that passes through the points (1,7) and (-4,-8)? A) -3 B) -1/3 C) 1/3 D) 3

Some Democrats snub their former ally, now a Republican, because they consider him

1/4 + 5/6 equals what

what type of plantation did the portuguese colonies built in 1500

Excerpt from Crisis No. 1 Thomas Paine These are the times that try men’s souls: The summer soldier and the sunshine patriot will, in this crisis, shrink from

What is what is the mean and the median of the #'s 6, 5, 7, 8, 14, 12, 30, 60