Answer:
All of the above .........
Helpful bacteria: Decomposers, Nitrogen fixers, Probiotics
Harmful bacteria: Pathogens, Salmonella, MRSA
Bacteria are microscopic,
single-celled organisms that exist in their millions, in every environment,
both inside and outside other organisms. There are many different types of
bacteria. One way of classifying them is by shape. Some bacteria are helpful
while some are harmful.
Answer:
Nucleus
Explanation:
The nucleus is the genetic center of the eukaryotic cell because it contains the genetic material (DNA, RNA) used for the storage of genetic information
Answer:
Undergrowth of water plants hypoxia
Low levels of oxygen.
Explanation:
Eutrophication occur when lake or river has adequate nutrients that will encourage the growth of water plants i.e algae which lead to the depletion of dissolved oxygen in the lake. The growth of algae is increased due to availability of carbondioxide or phosphorus or nutrients required for photosynthesis. This result in tainted drinking water,hypoxia and degradation of recreational activities.
Answer:
Which racer had the greater average speed? ANSWER: Sally
Calculate Sally's average speed. No units needed. ANSWER: 2
Explanation: