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iogann1982 [59]
3 years ago
14

Choose all the answers that apply. Which of the following minerals can be scratched with a fingernail?

Biology
2 answers:
vlada-n [284]3 years ago
7 0
Talc   topaz  and i hope this helps

bulgar [2K]3 years ago
4 0
- Talc (the softest mineral on Earth)

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Answer:

B. Stable ecosystems

Explanation:

The main cause of the biodiversity experienced in rain forests is largely due to the stable ecosystems that they enjoy.

A stable ecosystem is a sustainable one that does not change too much over the course of time.

Most organisms and the diverse life forms are easily nourished by the provisions made available by nature in such regions.

  • Most rain forest receives a large amount of solar radiation and energy all year round as the sun is directly overhead here.
  • This suggests that the producers have enough energy to cater for their own need and that of the organisms there in.
  • The consumers and decomposers have sufficient food available all year round.
  • This coupled with other factors whereby organisms have specially adapted to environmental conditions makes a rain forest very biodiverse with life forms.
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What are the parts of female reproductive system and its function?

The female reproductive system includes the ovaries, fallopian tubes, uterus, vagina, vulva, mammary glands and breasts. These organs are involved in the production and transportation of gametes and the production of sex hormones.

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The spinal cord is divided into 31 segments that send nerve rootlets out into the body through intervertebral foramen. These neurons travel into the spinal cord via the dorsal roots. Ventral roots consist of axons from motor neurons, which bring information to the periphery from cell bodies within the CNS.

Explanation:

Hope this will help

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