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NemiM [27]
3 years ago
13

30 points if ALL three answers correctly! urgent

Biology
1 answer:
sergij07 [2.7K]3 years ago
3 0
The answers are 1,2,3 in that order according to the picture
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Which of the two systems works 24/7 and protects you regardless of the organism it encounters?
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Answer:

non-specific system

Explanation:

The non-specific immune system is the system that works 24 hours a day, 7 days a week and protects you, regardless of the organism you encounter. This system is composed of the general defenses of the organism that work continuously, creating barriers that protect the body from the entry of any pathogen or foreign substance. This system is composed of T cells, which are true killers of pathogens and which guarantee efficient and complete safety.

4 0
3 years ago
Dandelions can produce seeds by both asexual and sexual
LUCKY_DIMON [66]

Answer:

only appear in veg plants

Explanation:

Unlike other forms of asexual reproduction in plants such as vegetative plant propagation via cuttings, apomixis is asexual reproduction via seeds. In the case of most dandelions (i.e., Taraxacum officinale), the embryo in the seed forms without meiosis, thus the offsping are genetically identical to the parent.

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2 years ago
How many covalent bonds can carbon make?
Ostrovityanka [42]

Answer:

4

Explanation:

Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms.

4 0
3 years ago
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What causes decrease of density in warming water
stellarik [79]

The water particle are moving faster which cause the to expand

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Select from the drop-down menu to correctly complete the statement. Organs combine to form... Plz help​
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An Organ system

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