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SVEN [57.7K]
3 years ago
11

I the otter , sea urchin , kelp community , what trophic level is the kelp ?

Biology
1 answer:
Alenkasestr [34]3 years ago
6 0
Kelp is the producer because it creates its own energy
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a star the designation HD 12929 in the constellation Aries is approximately 60 light years from Earth's sun.this star could also
Tems11 [23]

Answer:

The star could also be said to be 360 Million Million miles from the earth's sun.

Explanation:

A light year equals 9.4607 × 10^{12} km.

This is also approximately 6 Million Million Miles.

If we expressed the answer in miles, then we have to multiply 6 by 60.

This is equals to 360.

Therefore, 60 Light years is approximately 360 Million Million miles.

Cheers!

6 0
3 years ago
Which of the following can NOT be prevented with a vaccine?
grandymaker [24]

Answer:

listeriosis

Explanation:

  • A vaccine is used to provide active acquired immunity to the host by supplying them with a biological preparation which is often made up of attenuated organism, its associated immunogenic particle, protein, DNA, etc. 
  • Today there are vaccines available for a wide variety of diseases however there is no preventive vaccine for listeriosis.
  • Listeriosis is a disease caused by <em>Listeria monocytogenes</em> and it is a very serious disease often caused due to the consumption of contaminated food. 
  • There is unavailability of a commercially available vaccine against listeriosis although a lot of research is underway to prepare a vaccine to reduce the mortality rate. 
6 0
4 years ago
How is biology used to improve agriculture?
lora16 [44]

Answer:

Biotechnology allows farmers to grow more food on less land using farming practices that are environmentally sustainable. Through biotechnology: Seeds yield more per acre, plants naturally resist specific insect pests and diseases, and farming techniques improve soil conservation.

Explanation:

7 0
3 years ago
This characteristic of life states that all organisms possess genetic material that gives them personalized traits.
kumpel [21]
D. Are made of cells and DNA

DNA is genetic material in living organisms that is transferred from the parents. Cells and this DNA gives organisms personalized traits. Hope this helped !!
7 0
3 years ago
Robin and Alex are discussing how water molecules form when hydrogen and oxygen atoms combine. Robin writes the following chemic
Salsk061 [2.6K]

Answer:

Option C. The number of oxygen atoms is the same before and after the reaction.

Explanation:

When hydrogen combine with oxygen, water is formed. According to law of conservation of matter, matter cannot be created nor destroyed during a chemical reaction. So according to this law, the amount of reactants is equal to the amount of product produced after a chemical reaction and the number of oxygen atoms is the same before and after the reaction.

6 0
3 years ago
Read 2 more answers
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