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oksano4ka [1.4K]
3 years ago
12

The middle of oceanic ridges are ____________.

Biology
1 answer:
vampirchik [111]3 years ago
6 0

A mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics.

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This is a volume of space that is empty of matter. Example: Sound cannot travel here.
aleksandr82 [10.1K]

Answer:

Vacuum

Explanation:

A vacuum is usually defined as a space in which there is an absence of matter. It can also be said that there is an extremely low amount of pressure due to which the particles present in it are not affected by any type of process that occurs in space. The value of pressure is lower than the value of normal atmospheric pressure.

For example, sound cannot travel in space because there is no medium such as water and air through which the sound waves can propagate.

8 0
3 years ago
Which animals are ectothermic? turtles and lizards birds and mammals frogs and mammals lizards and birds?
PilotLPTM [1.2K]
Ectothermic animals are cold blooded animals, or fishes, amphibians, reptiles, and invertebrates. So the right answer would be turtles and lizards. If the answer choices was supposed to look like this
turtles and lizards
birds and mammals
frogs and mammals
lizards and birds
It would be the first option.
Hope this helps!
4 0
3 years ago
Read 2 more answers
Classify the following gas planets as terrestrial planets or gas giants
kkurt [141]
<h2>Answer:</h2><h3>Part 1.</h3><h3> Celestial body A is the largest planet in the solar system.</h3>
  • It is Jupiter which is a <u>Gas giants.</u>
  • Jupiter is mostly made of gas.

According to above statement, It is the Jupiter which  largest planet in our solar system.  Jupiter's mass is more than 300 times that of Earth, and its diameter, d, at 140,000 km.

<h3>Part 2. </h3><h3>Celestial body C has optimum conditions to sustain life.</h3>
  • It is earth which is a<u> terrestrial planet.</u>
  • Because it is mostly made of silicate rocks and minerals.

According to statement, earth is that planet because it has living optimum conditions. Like the oxygen concentration, water, plants etc.

<h3>Part 3.</h3>

Celestial body E has the most volcanoes in our solar system apart from earth. It is the second closest planet to the sun.

  • It is Venus and it is a<u> terrestrial planet.</u>

Venus orbits sun every 224.7 Earth days.

It has the longest rotation period of any planet and it rotates in opposite direction to most of the planets in the Solar System.

<h3>Part 4.</h3><h3>Celestial body H is the second largest planet in the solar system and has visible rings.</h3>
  • It is Saturn which is a <u>gas giant.</u>
  • Because it is mostly consists of gases and it also has ring of gases around itself.

it is 9.4 times as large as the Earth. It also has a large and bright ring system.

<h3>Part 5.</h3><h3>Celestial body D has 17 times more mass than earth and has gravity that is 1.14 times that of earth. </h3>
  • It is Neptune and it is a <u>gas giant</u>.
  • It has mostly gaseous composition, such as hydrogen and helium.

Neptune is the eighth and farthest known planet of the Solar System. It is also the third most massive planet.

<h3>Part 6.</h3><h3>Celestial body G has a core that consists of iron sulfide mixed with nickel and is the second smallest planet in the solar system.</h3>
  • It is mars and it is a<u> terrestrial planet</u>.
  • Mars is the second smallest planet while mercury is first smallest planet after the exclusion of Pluto from solar system.

The surface of mars is covered by talcum powder type dust. It contains elements besides silicon and oxygen, are iron, magnesium, aluminum, calcium, and potassium.

<h3>Part 7.</h3><h3>Celestial body I had a core composed of nickel iron alloy rock surrounded by an outer layer of hot fluid. The fluid contains water, ammonia, and methane body I has 27 moons .</h3>
  • This is Uranus and it is a<u> gas giant</u>.
  • is the seventh planet of the Solar System.

According to radius, it is on third number and according to mass it is forth largest planet. Its composition is more similar to Neptune.

<h3 />







6 0
4 years ago
Both plant and animal cells have a chloroplast. <br> a. True <br> b. False
denpristay [2]

Answer:

False

Explanation:

Only plants have chloroplast.

6 0
3 years ago
Read 2 more answers
Which color of visible light has the shortest wavelenths
il63 [147K]
Violet, as it has the shortest wavelength on the colour spectrum
7 0
3 years ago
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