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Shkiper50 [21]
3 years ago
6

A. Nitrogen B. Carbon C. Phosphorus D. Water E. Oxygen

Biology
2 answers:
MaRussiya [10]3 years ago
8 0
The cycle is D. Water
Serggg [28]3 years ago
6 0

Answer:

d

Explanation:

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Which of the following would likely reduce the threats posed by exotic species to native species?I. Increasing inspections of go
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Answer:

A. I only

Explanation:

Exotic animal species are really found in most countries and given that people these animals, they are very valuable. Species like lions, tigers, parrots, cheaters and even pythons are loved for exotic nature.

For this reason, they are caught, killed, shipped and sold in various countries or regions like dubia, Saudi Arabia etc. Its effects on the population of these species are disastrous.

If the inspection of goods coming into a country is intense and frequent, it will mitigate the shipping and sales of the species.

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3 years ago
Which statement best explains why meiosis produces haploid cells rather than diploid cells?
jolli1 [7]
Meiosis produces haploid cells rather than diploid cells because they need to make gametes (egg, and sperm cell) for reproduction. 
6 0
3 years ago
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An action potential causes the release of neurotransmitters by:________.
seraphim [82]

Answer:

b) opening calcium pores in the membrane

Explanation:

The opening of calcium  ions channels facilitates the migration of vesicles containing neurotransmitters in the pre-synaptic neurons  to the tip of the post-synaptic membrane. at the <u>neuromuscular  junction </u>These neurotransmitters can either be <u>cholinergic or non-chorlinergic.</u>   <u>At the tip  of the pre-synaptic membranes the vesicles empty their neurotransmitter contents into the synapse.</u>

The neurotransmitters,  diffuse through the neuromuscular junction to bind  with the receptors on the <u>post-synaptic membrane on the post-synaptic neuron.</u> This  stimulates opening of<u> ligand gated sodium ions,</u> and sodium ions  diffuse into the post-synaptic neuronal membrane, to cause <u>depolarization</u>. if the stimulus is  up to the threshold levels   it  generate action potential.

Therefore , more calcium ions channels opening produces; more diffusion of neurotransmitters;leading to opening of more sodium channels for depolarization; and IPSP or EPSP  generation.

5 0
3 years ago
I need it asap help me plz plz make sure its right​
Anuta_ua [19.1K]

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k

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