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Zina [86]
3 years ago
13

Gems called rubies are used in lasers. Please select the best answer from the choices provided

Biology
1 answer:
NISA [10]3 years ago
8 0
????????????????????? How are we meant to answer this
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When energy is transferred to or from a substance, it can change the molecules’ freedom of movement. True or False?
Jet001 [13]

Answer:

True

Explanation:

When transfer energy, the substance's temperature changes which can change the molecules' freedom. For example, when water freezes the water molecules loose temperature and slow down, unlike in a gas where molecules are free and energetic.

6 0
3 years ago
What once was an open pasture on a long abandoned farm has changed over time, without the direct influence of humans. after the
Komok [63]

The mentioned case represents secondary succession.  

Secondary succession is one of the two kinds of ecological succession of plant life. Secondary succession refers to a procedure initiated by an incident, like harvesting, forest fire, hurricane, and others, which minimizes an already settled ecosystem to a lesser population of species.  

Thus, it can be said that the secondary succession takes place in preexisting soil on the other hand primary succession takes place in a place devoid of soil.  

Secondary succession is the ecological succession, which takes place after the initial succession has been disrupted and certain plant and animal species do prevail. It is usually faster in comparison to primary succession.  


8 0
3 years ago
Which contains instructions for how cells come together to form a heart
Alex Ar [27]
DNA contains instructions for how cells come together
6 0
3 years ago
1. Which type of clouds can you always expect to signal fair weather: cirrus, stratus, or cumulus?
padilas [110]
The most suitable option for the first question is definitely <span>stratus clouds which usually stratch over the sky creating overcasts.
The next one should be </span><span>nimbus, as they dark and usually help to predict the storm.
And the last one </span>cumulonimbus that point on thunderstorms and so on.
3 0
3 years ago
Read 2 more answers
Cell structures that plant and animal cells don't share are _____.
liubo4ka [24]

Answer:

a cell wall (because a plant cell is less rigid than an animal cell)

- a large central vacuole (where plant cells store water)

- chloroplasts (which plants use to carry out photosynthesis)

Explanation:

8 0
3 years ago
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