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dem82 [27]
3 years ago
12

MN

Biology
1 answer:
Elodia [21]3 years ago
4 0

Answer:

O silicon (Si)

Explanation:

-Valence electrons are electrons of the outermost shell which can participate in chemical bonding. ... -As in silicon, four electrons are present in the outermost shell, so silicon has Four valence electrons.

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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?
Basile [38]

Answer:

1ml

Explanation:

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7 0
3 years ago
In the Ap axial projection (Towne method) of the skull, with the CR directed 30 degrees caudad to the orbitomeatal line (OML) an
garri49 [273]

Answer:

A) Occipital bone

Explanation:

Based on the scenario being described it can be said that the structure best demonstrated would be the occipital bone. This is a bone that forms in the base of the skull towards the back and around the spinal cord. Since the AP axial position projects the anterior structures downward, then it would allow for the occipital bone to be easily viewed without special equipment.

3 0
4 years ago
Describe a recent unmanned space mission that used an orbiter and a lander
dexar [7]
<span>The answer is Viking 1 and 2 that explored Mars planet. Both were launched in 1975 and their mission ended in 1980. The main objectives of the orbiters and landers were to take pictures of the planet, collect samples, and conduct experiments to find signs of life on the planet. </span>




8 0
3 years ago
Read 2 more answers
What does a population pyramid represents?
scoray [572]

Answer:

B: a population’s age-sex structure

Explanation:

A population pyramid is a way to visualize two variables: age and sex.  

They are used by demographers, who study populations. A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population. Expansive pyramids mean that the population does not increase much in total number and has many young people.

Hope this helps! Info from National Geographic, I would trust it if I were you!

3 0
3 years ago
What observations support the assumption that all of the iodine reacted with the zinc?
nikklg [1K]

Answer :

The answer is That percentage of composition of Zinc as determined said to be 19%, the percentage of iodine 81% and it shows that it is very close to accepted values by making calculations.

Explanations:

When iodine is dissolved in a strongly polar substance such as menthol. As the reaction is progressed, the color of the solution going from its initial color. Furthermore, after the reaction, small grey pallets supports the percentage between iodine reacted with the zinc. All the iodine reacted whereas portion reacted while the rest remained untouched.

6 0
4 years ago
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