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ehidna [41]
3 years ago
11

Most bacteria are harmful. True or False?

Biology
2 answers:
spin [16.1K]3 years ago
8 0
True. But there are sum good bacteria but most of them are harmful
inn [45]3 years ago
6 0
True cause some might cause death and some can not.
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List the major taxonomic divisions in ascending order​
Vikki [24]

Answer:

There are seven main taxonomic ranks: kingdom, phylum or division, class, order, family, genus, species.

Explanation:

4 0
3 years ago
A possible reaction for the degradation of the pesticide DDT to a less harmful compound was simulated in the laboratory. The rea
Bas_tet [7]

Answer:

This exercise is incomplete, missing the value of k (decay constant), which is equal to 4x10⁻⁸s⁻¹ at 25°C

The answer is 0.549 years

Explanation:

Given:

first order of reaction

k = 4x10⁻⁸s⁻¹

For a first order of reaction, the half-life time for the degradation of DDT is equal to:

t=\frac{0.693}{k} =\frac{0.693}{4x10^{-8} } =17325000s=0.549years

8 0
4 years ago
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Because of hydrogen
4 0
4 years ago
there are 22 grams of media per 1000 mL of liquid, how many grams of media would it take to make only 100 mL of liquid?
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1ml

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7 0
3 years ago
Which of the following is a property of the stem of a dicot plant?Select one of the options below as your answer:A. ground tissu
Elodia [21]
I think the correct answer from the choices listed above is option A. A property of the stem of a dicot plant is that the ground tissue is differentiated into pith and cortex. Vascular bundles are not arranged sporadically instead arranged in a ring. Also, cambium does exist between xylem and phloem.
4 0
4 years ago
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