1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Angelina_Jolie [31]
3 years ago
15

Which statement best describes why carbon is the key element in organic compounds? A. Carbon is extremely reactive and must form

bonds for stability. B. Carbon has a strong tendency to form chains or rings. C. Carbon is the least reactive element on the periodic table. D. Carbon is the most abundant element in the universe.
Biology
1 answer:
MA_775_DIABLO [31]3 years ago
5 0

I believe the answer is B because carbon can easily form chains to bond together.

You might be interested in
Which are factors of rock types that affect the rate of weathering? Select three options
vagabundo [1.1K]

Answer: Incomplete

"Check all that apply. porosity, moisture, temperature, mineral, softness, or ease of dissolving"

<em>From the options, the three answers are </em><u><em>mineral composition,</em></u><em> </em><u><em>ease of dissolving</em></u><em> and p</em>

Explanation:

Weathering is the phenomenon in which surface of rocks are broken down and leaches or washed away.

The factors that affect the rock type and rate of weathering of said rock include:

  1. Composition: this translates to the <u>mineral composition </u>in the rock and how susceptible to chemical weathering reaction
  2. Surface area and porosity: Surface <u>porosity </u>determines how easily the rock can be leached by wind or rain.
  3. Climate: Mechanical weathering due to extreme climate change can cause freezing and thawing of the rocks, thereby enhancing disintegration of the rock. This is determined by the <u>ease of dissolving </u>of the rock.
7 0
3 years ago
2. The cytoskeleton of animal cells includes three types of proteins, and the cytoskeleton of plant cells includes two types of
sineoko [7]

Answer:

A. Actin filaments and microtubules

B. intermediate filaments

Explanation:

Actin filaments and microtubules are two major building blocks that form part of the cytoskeleton in all eukaryotic cells. Both actin filaments and microtubules play a fundamental role in the dynamics of the cytoskeleton, and they are involved in many essential cellular processes including, among others, mitosis, cytokinesis, intracellular transport, cell signaling, etc. Moreover, intermediate filaments are very stable structures found in animal cells, where they extend from a ring around the cell nucleus to the plasma membrane in order to provide consistency and shape to the nuclear envelope.

6 0
2 years ago
Read the statements about scientific theories below, and determine if they are true or false. A theory is a hypothesis that is s
Ann [662]

Answer: true, false, true, true

6 0
3 years ago
Which of the following statements about comets is true?
Mrrafil [7]

Answer:

D

Explanation:

Comets are brightest near the sun.

7 0
3 years ago
Read 2 more answers
Which statement is true of both active transport and facilitated diffusion?
enyata [817]

The correct answer is option (D) The active transport and the facilitated diffusion both involve the proteins present in the cell membrane.

Facilitated diffusion transport the large and the charged molecules through the protein transport channels present in the cell membrane. In this case, the solute move from a region of higher concentration to lower concentration and it does not require energy.

Active transports takes place when the molecules move from a region of lower concentration to higher concentration via the membrane protein channels.

Both facilitated diffusion and active transport requires the proteins present in the cell membrane.

7 0
3 years ago
Other questions:
  • A bicycle has a momentum of 36 kg • m/s and a velocity of 4 m/s. What is the mass of the bicycle?
    13·2 answers
  • 2.
    11·1 answer
  • How much water should you have in a severe weather emergency supply kit?
    5·2 answers
  • Which statement best describes the relationship of photosynthesis and energy?
    5·1 answer
  • What characteristics will prevent molecules from passing through the membrane?
    13·1 answer
  • What is the relabonship between dna and proteins?
    12·1 answer
  • One difference between monotremes and other types of mammals is
    8·2 answers
  • Please help me ASAP. I need it to be done in less then five mins
    12·2 answers
  • What was the result of using drainage blocks to keep water in the field level during the growing season?
    9·1 answer
  • which of these methods of waste management is most likely to release heavy metals and other toxins into the air?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!