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docker41 [41]
3 years ago
13

List at least four reasons why it is difficult to send manned space flights to parts

Biology
1 answer:
icang [17]3 years ago
3 0
1 you run out of fuel 2 it takes a long time 3 it’s hard to get back 4 the conditions are constantly changing making it harder to predict what could happen. Look at Apollo 12 as a example
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Jorge and edna are affluent, in their mid-seventies, and in relatively good health. their three-bedroom house is more than they
FrozenT [24]

A continuing-care retirement community

A continuing care retirement community is a community that provides multiple care levels all on one campus. These multiple care levels which could include independent living, assisted living, memory care or skilled nursing and rehabilitation are set up to provide all of the care that one will need throughout his lifetime.  For the question given above, a continuing-care retirement community might be best alternative for this couple because it has the resources and staff available to meet their needs and they can rest easy if their health changes in the future.

 






5 0
3 years ago
3. Compare and contrast a transverse wave and a com-
gavmur [86]

Explanation:

For transverse waves, the waves move in perpendicular direction to the source of vibration. For longitudinal waves, the waves move in parallel direction to the source of vibration . They are similar in the sense that energy is transferred in the form of waves.

3 0
4 years ago
The steam engine in a train heats water until it becomes steam. The steam pushes pistons to move the train. The train is changin
Anni [7]
I think the answer is A

7 0
3 years ago
Flower color in snapdragons is an example of incomplete dominance. When a red-flowered plant is crossed with a white-flowered pl
Ira Lisetskai [31]

Answer:

25% red flowered

25% white flowered

50% pink flowered

Explanation:

Let the red flower color be represented by RR, the white color by rr.

When RR was crossed with rr, the offspring had pink flowers;

RR   x   rr = Rr, Rr, Rr, Rr (Pink color)

Crossing Rr with another Rr

Rr   x   Rr  = RR, Rr, Rr, rr

RR = red

Rr = pink

rr = white

<em>Hence, if a pink flowered plant is crossed with another pink flowered plant, 25% of their offspring will be red, 25% will be white and 50% will be pink.</em>

4 0
3 years ago
One of the main elements that makes up air. This is a waste product of photosynthesis​
kompoz [17]

Explanation:  The products of photosynthesis are glucose and oxygen.

Did you know that oxygen is actually a waste product of photosynthesis? Although the hydrogen atoms from the water molecules are used in the photosynthesis reactions, the oxygen molecules are released as oxygen gas (O2). (This is good news for organisms like humans and plants that use oxygen to carry out cellular respiration!) Oxygen passes out of the leaves through the stomata.

The light-independent reactions of photosynthesis—also known as the Calvin cycle—use enzymes in the stroma, along with the energy-carrying molecules (ATP and NADPH) from the light-dependent reactions, to break down carbon dioxide molecules (CO2) into a form that is used to build glucose.The mitochondria in the plant’s cells use cellular respiration to break glucose down into a usable form of energy (ATP), which fuels all the plant’s activities.

After the light-independent reactions, glucose is often made into larger sugars like sucrose or carbohydrates like starch or cellulose. Sugars leave the leaf through the phloem and can travel to the roots for storage or to other parts of the plant, where they’re used as energy to fuel the plant’s activities.

8 0
2 years ago
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