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Elina [12.6K]
3 years ago
15

What is the number of protons and electrons equal to

Biology
1 answer:
Grace [21]3 years ago
8 0

The number of protons and elctrons adds up to the mass number

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2x+y=−8x−y=−4{2x+y=−8x−y=−4
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(4,0)(-4,0) Is the correct answer :)
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Plato A. wrote works praising one of the other philosophers who left no writings B. taught by asking questions C. analyzed how p
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Plants make their own food and are called producers. What do plants need to make their own food? A) soil, air and water B) soil,
enyata [817]

Answer:

D

Explanation:

A plant needs to use the energy from the sun to make glucose and other nutrients it needs. Air is needed for glycolysis and photosynthesis to occur. Water is needed by all living things to stay alive.  

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New neural pathways are created and strengthened when you
sukhopar [10]

Answer:

<u>Repeat a behaviour.</u>

Explanation:

When we adopt a new behaviour, a neural pathway is created and it gets stronger when we repeat until it become a new normal behaviour or a habit. When a message travels in a same neuronal pathway again and again, the brain begin to transmit it even more faster and these behaviours become automatic.

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3 years ago
Multiple Choice Seed-bearing plants differ from all other plants in that A. they have only xylem and no phloem. B. they have a g
Romashka-Z-Leto [24]

Answer:

C. their gametes do not require water for fertilization to occur.

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Seed bearing plants are plants that produce seeds. The gametes of seed-bearing plants do no depend on water for fertilization. Fertilization could occur through the transfer of pollen from the male gametophtye to the female gametophyte through animals or wind.

Unlike other plant types like the bryophytes, they rely on water for fertilization. They so have xylem and phloem as well as other plants. They also have stems,roots and leaves like other plants.

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