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GalinKa [24]
3 years ago
7

Because carbon can bond to one another, what shapes can they form?

Biology
1 answer:
faltersainse [42]3 years ago
8 0
Correct answer - Tetrahedral, planar or flat.

Why? - When carbon forms single bonds with other atoms, the shape is tetrahedral. When two carbon atoms form a double bond, the shape is planar, or flat. Single bonds, like those found in ethane, are able to rotate.
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Plants play a crucial role in the carbon cycle because they do not release carbon dioxide during cellular respiration allow carb
marin [14]

Answer:

Allow carbon to enter an ecosystem through photosynthesis

Explanation:

Though plants are known to sustain life through the process of photosynthesis. In this process plants simply takes in carbon dioxide and releases oxygen.

However, this is a type of process is considered to be active during the day, while at night plants absorb oxygen and release carbon dioxide

Hence, Plants play a crucial role in the carbon cycle because they "Allow carbon to enter an ecosystem through photosynthesis."

5 0
3 years ago
Main sequence stars can be classified according to which characteristics
miskamm [114]

Stars are classified based on the spectral type (i.e. a means to measure the photospheric temperature and density by getting information about the ionisation state).

Under the Morgan–Keenan (MK) system using the letters O, B, A, F, G, K, and M, a sequence from the hottest (O type) to the coolest (M type) (Harvard Spectral classification based on the surface temperature of the stars). A luminosity class is added to the spectral class using Roman numerals (Yerkes Spectral classification). This is based on the width of certain absorption lines in the star's spectrum (0 or Ia+ - hypergiants, I - supergiants, II - bright giants, III - regular giants, IV - sub-giants, V - main-sequence stars, sd - sub-dwarfs, and D - white dwarfs).

8 0
3 years ago
In what reproductive structures are sperm created? egg?
Kobotan [32]

Answer:

Testes are the structure in male organism where sperm cells are produced. The process in which sperm cells are produced called spermatogenesis. Ovaries are the structure in female organism where egg cells are produced. The process in which egg cells are formed is called oogenesis.

When sperm of male combine with egg of female, it produces a fertile zygote and this zygote turns into a new organism.

3 0
3 years ago
Need help please and thanks
ziro4ka [17]

Answer:e

Explanation:

yep

6 0
3 years ago
The base pairing rule for DNA is adenine (A) pairs with thymine (T), and guanine (G) pairs with cytosine (C).
Novosadov [1.4K]

Answer:

Uracil

Explanation:

DNA molecule is made up of monomeric nucleotides, which are of four different types viz: Adenine, Guanine, Cytosine, and Thymine. According to the COMPLEMENTARY BASE PAIRING RULE as proposed by Chargaff, these nucleotides pair in the DNA as follows: Adenine to Thymine (A-T), Guanine to Cytosine (G-C).

However, in the RNA molecule (second nucleic acid), a fifth nucleotide called URACIL is found. This URACIL replaces thymine because thymine is only found in DNA while Uracil is only found in RNA. When DNA is transcribed into mRNA, Adenine nucleotide gets transcribed into Uracil in the RNA instead of thymine i.e A to U.

6 0
3 years ago
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