What ion is formed when an atom of mercury (Hg) loses two electrons?

2 answers:

7 0

A magnesium ion, Hg2+, is formed<span>.</span>

3 0

Answer:d

Explanation:

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Setler79 [48]

D) Psychrotrophs.

Explanation:

Psychrotrophs are those bacteria which can tolerate cold temperature and have optimum growth above 15 degree Celsius.
Halophiles prefer high salt concentration.
Mesophiles prefer temperatures with a average of 37 degree Celsius.
Anaerobes grow in absence of oxygen.
In the given experiment, none of the bacterial cultures were placed in saline or anaerobic conditions. So, the bacterial species is not an anaerobe or halophile.
Again the cultures did not show growth at 37 degree celsius so they are not mesophiles.
Maximum growth at 22 degree celsius and a little growth in refrigerator make it obvious that the species is a Psychrotroph.

8 0

2 years ago

RideAnS [48]

Answer:

STEP-BY-STEP: HOW TO SET UP A PUNNETT SQUARE.

Step 1: Write out the cross T = tall, t = short Tt x Tt.

Step 2: Draw 2 by 2 Punnett square.

Step 3: Write the alleles for parent 1 on.

the left side of the Punnett square.

Step 4: Write the alleles from parent 2.

above the Punnett square.

8 0

3 years ago

xeze [42]

The answer to this question is soften tooth enamel becuase your teeth fall out

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2 years ago

Blizzard [7]

It was from darwin he was the 1

8 0

3 years ago

dusya [7]

The answer is B. Ovaries, but nxt time make sure to include all the answer choices ;) Hope that helps

4 0

2 years ago