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lara [203]
3 years ago
7

Question 20 of 30

Biology
1 answer:
eimsori [14]3 years ago
5 0

Answer:

A. The scientist should restart the experiment at a step prior to

contamination.

Explanation:

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Lorenzo pushes on a heavy crate with an applied force of 250N at an angle of 30° below the horizontal. The fo friction opposing
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what is the speed and time

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Explain what would occur between Oceanic crust and continental crust at the subduction plate boundary. (O.C. =more dense)
Reika [66]

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Oceanic crust is denser than continental crust. At a subduction zone, the oceanic crust usually sinks into the mantle beneath lighter continental crust. (Sometimes, oceanic crust may grow so old and that dense that it collapses and spontaneously forms a subduction zone, scientists think.)

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Hemlocks are a common type of tree in the northern forests of the United States. In studying one forest, a forester noticed that
Vlada [557]

Answer:

b. making an observation and asking a question

Explanation:

In scientific method there need to be a situation to be study. In this description, the scientist first observed that in a certain region there is some kind of trees and the other variable is the great amount of deer.

After making different observations, and some research of other areas similar to the one that is study, she is asking what is the relation among the animals and the trees.

The next step will be to formulate a hypothesis using all the data and the two variables that she observed.

8 0
3 years ago
How long will uncooked prime rib last in the refrigerator
Maru [420]

Answer:

3 days

Explanation:

4 0
3 years ago
Escherichia coli, abbreviated as e. Coli, are bacteria found in the environment, foods, and intestines of people and animals. Wh
kirill115 [55]

E. coli belongs to the genus Escherichia

Taxonomically, <em>Escherichia coli </em>is categorized as belonging to the phylum Proteobacteria, class Gammaproteobacteria, family Enterobacteriaceae, order Enterobacteriales, and genus Escherichia (named after its discoverer, Theodor Escherich).

  • Escherichia coli (E. coli) are typically found in warm-blooded organisms' lower intestines. The majority of E. coli strains are not harmful, but some can seriously poison food.

  • A  Shiga toxin-producing E. coli (STEC) is capable of causing severe foodborne illness.
  • Raw or undercooked ground meat products, raw milk, and fecal contamination of vegetables are the most common causes of STEC outbreaks.
  • The illness is usually self-limiting, but it can progress to a potentially fatal condition like haemolytic uraemic syndrome (HUS), especially in young children and the elderly.

know more about E. Coli here:brainly.com/question/8782363

#SPJ4

8 0
1 year ago
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