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Ostrovityanka [42]
3 years ago
12

Pluto is not a planet because it does not have its own orbit. Which planet's orbit does it cross? Why will they never collide?

Biology
2 answers:
ratelena [41]3 years ago
5 0
Hey there!

Pluto crossed Neptune's orbit. However, their paths do not actually cross, they just swap positions. 

Hope that helps!

~Autumly

Nataliya [291]3 years ago
5 0
Pluto is a planet


just that he is a baby planet
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How do the two species that make up a lichen benefit from their symbiotic association? (Select all that apply.)
Marta_Voda [28]

Answer:

the correct answers are C and D: "<em>Both partners are able to grow on substrates on which each would not be able to grow on their own</em>", and "<em>The fungi receive carbohydrates and, in some cases nitrogen, from the algae, while the algae gain a "home" that anchors them on the substrate</em>".

Explanation:

Lichens are the result of a symbiotic association between algae and a fungus. These two organisms must cooperate to survive in places under certain inhospitable conditions, where otherwise, they would not be able to survive by themselves. Algaes are the photosynthetic organisms that provide carbohydrates to fungus. These last ones, get the carbon and energy they need to grow, and in exchange, they protect the algae from dehydration and radiation, and they might also provide minerals for their survival. Algae can also get a way to get attached to the substrate. When instead of regular algae, there is a prokaryotic cyanobacterium, these can also supply with fix nitrogen to fungus, in the form of nitrogenous compounds.            

4 0
3 years ago
Which property would have the greatest percentage of runoff?
Gnesinka [82]

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3 0
3 years ago
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nikdorinn [45]

Answer:

Lightly pigmented people tend to be at higher risk of vitamin D deficiency

Explanation:

BACKGROUND KNOWLEDGE:

Human skin is the largest organ of the body which makes boundary line between environment and internal conditions.  Human skin cell produces pigment called melanin when ever it is subjected to Sun. More the melanin pigment produced more will be the skin darkens. Ultraviolet (UV) radiations also come from Sun and responsible for more pigmentation.

ANSWER EXPLANATION:

According to the question darkly pigmentation only occurs when their is high level of UV radiations. High level of UV radiations are also responsible for Vitamin D production.

People with lightly pigmented means that there environment has low level of UV radiations which are the requirement of Vitamin D production. Hence due to low UV radiations peoples with light pigmentation's are also be at higher risk of vitamin D deficiency

7 0
3 years ago
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IRISSAK [1]
When the EPA determines that a pesticide is harmful to wildlife, they have already tested and reviewed it. The next logical step would be to will ban use of the pesticide.
3 0
3 years ago
why is it important that a cell membrane contains opening into the cell a the opening allows chemical such as oxygen and other n
wolverine [178]

Answer:

Explanation:

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