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Alika [10]
3 years ago
13

1.the object that does not give out light on its own is the

Biology
1 answer:
myrzilka [38]3 years ago
4 0

1)d)shining mirror.

2)a)cannot be formed on a screen.

3) b) ground glass

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Usually it is not possible to penetrate inside a body cavity without cutting through protective tissues. However, sperm reach th
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Pelvic body cavity

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3 years ago
2. Why is hydrogen placed in group one of the periodic table?
romanna [79]

Answer:

because, it resembles the properties of alkali earth metals as well as halogens ! OwO

Explanation:

" Hydrogen resembles the properties of alkali earth metals as well as halogens. Hydrogen has one electron in its valence shell and it also needs one more electron to get stable. ... For this the hydrogen is placed separately in periodic table ! "

P.s: sharky said thanks for the points !

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In organisms other than plants, when and where is the most ATP produced?
VARVARA [1.3K]
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IRINA_888 [86]
Mutation is a source of genetic variation
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