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agasfer [191]
3 years ago
15

Can someone please help me

Biology
2 answers:
belka [17]3 years ago
7 0
It is the third one. Hope this helps
GuDViN [60]3 years ago
5 0

Answer:

It does not tell you the exact age of something.

You might be interested in
(Choose all that apply)
Shkiper50 [21]
The correct answers are 2. arid climate and 4. oil resources

The climate always causes environmental climate, especially arid one, while oil both extraction and production creates environmental problems.
3 0
3 years ago
6. What is a dependent variable? Give an example from the reading.
belka [17]

Answer:By. skynesher / Getty Images. The dependent variable is the variable that is being measured or tested in an experiment. For example, in a study looking at how tutoring impacts test scores, the dependent variable would be the participants' test scores, since that is what is being measured.Sep 29, 2019

Explanation:

7 0
3 years ago
Why might you not see as much bacterial colonization of microbes from human saliva on plates cultured at 25oc versus plates incu
GREYUIT [131]

Bacteria need an optimum temperature for their growth, so this is the reason why we might not see as much bacterial colonization of microbes from human saliva on plates cultured at 25 °C versus plates incubated at 37 °C.

Why do bacteria only grow at certain temperatures?

  • The main justification for incubating bacterial cultures at various temperatures is that different temperatures favor the growth of particular bacteria.
  • Most infections and typical ambient bacteria are classified as mesophiles, which thrive in temperatures between 20 and 40 degrees Celsius.
  • An optimum temperature is required for the enzymes to show their activity, and for the division also many enzymes are involved in the process. So, the bacterial culture can be seen at a particular incubation temperature only.

To read more about bacterial colonization visit:

brainly.com/question/12485105

#SPJ4

5 0
1 year ago
Describe a problem caused by losses in biodiversity.
Korvikt [17]

Answer:

a big one could be chain effect causing more extinct species

Explanation:

6 0
3 years ago
A brown-eyed man with a blue-eyed mother marries a brown-eyed woman with a blue-eyed father. What is the probability that their
almond37 [142]

This is based on my assumption that brown is dominant over blue.

Since both parent have parents who are homo_zygous recessive, this tells us that both parents will be hetero_zygous.

When you cross two hetero_zygous parents, it can produce these genotypic and phenotypic ratios:

<u>Genotypic</u>

BB : Bb : bb

1 : 2 : 1

<u>Phenotypic</u>

brown : blue

3 : 1

Therefore there is a 75% chance that they will produce a brown-eyed offspring.

6 0
2 years ago
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