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
inessss [21]
3 years ago
8

Which combination forms a covalent bond?

Biology
1 answer:
nadya68 [22]3 years ago
8 0

Answer:

A. Two carbon atoms

Explanation:

We know that covalent bond occurs when there are two non - metallic atoms and carbon atoms are non-metallic so it is the answer.

Hope it helps and pls mark as brainliest :)

You might be interested in
The nurse is considering risk factors for influenza in a group of preschool children. which factors are considered to place chil
Serggg [28]
There were no choices provided. But there is a related research about this situation. 

Risk factors of influenza transmission in households
Source: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1326070/

<span>>Reasons for increased transmission from children
</span>  The research pointed three causes. 
   1. Children are more exposed to different people in different places. their households, peers in schools and other children.

   2. Children especially preschools are said to have lower immunity which makes them prone and catching influenza.

   3.  Lastly, viral shedding among children can alleviate and spread period of infection.
4 0
3 years ago
What is an animal cell
svlad2 [7]

Explanation:An Animal cell is a cell inside an animal and their are a lot of

different kinds of functions

3 0
3 years ago
Read 2 more answers
A young man wants to determine if he is a descendant of Henry of Navarre and Eleanor of Aquitaine—two of his favorite historical
mars1129 [50]

Answer:

He should get his mitochondrial haplotype sequenced, given the genetic variation in mitochondrial sequences compared to Y chromosomes.

Explanation:

  • Mitochondrial DNA haplotypes are  specific regions of mitochondrial DNA that cluster with other mitochondrial sequences to show the phylogenetic origins of maternal lineages.
  • Mitochondrial DNA haplotypes are associated with a range of phenotypes and disease.
  • Mitochondrial DNA contains 37 genes, all of which are essential for normal mitochondrial function.
  • Thirteen of these genes provide instructions for making enzymes involved in oxidative phosphorylation.

5 0
3 years ago
PLEASE ANSWER ASAP!! WILL GIVE 15 POINTS!! How do genes get “turned on” and “turned off”?
hammer [34]

Answer:

Explanation:

A gene can be turned on or off by environmental factors or from other cells that activate proteins known as transcription factors.

6 0
3 years ago
Read 2 more answers
From which of the following does the basic structure of hair and nails form?
arsen [322]

Answer: D. Keratin

Explanation: Keratinocytes (pronounced: ker-uh-TIH-no-sites) make keratin, a type of protein that's a basic component of hair, skin, and nails. Keratin in the skin's outer layer helps create a protective barrier.

3 0
2 years ago
Other questions:
  • If everyone on Earth eliminated meat from their diets, we would expect:_________.
    11·1 answer
  • An allergic reaction characterized by the constriction of the bronchial tubes is known as
    5·1 answer
  • A researcher claims that the synthesis of ATP from ADP and inorganic phosphate (Pi) is essential to cellular function.
    7·2 answers
  • 1
    7·2 answers
  • What is the answer for this one?
    10·1 answer
  • What two layers of the earth are either partially or totally melted
    6·1 answer
  • CAN SOMEONE PLEASE HELP ME??
    9·1 answer
  • Two characteristics of most plants are a root system and a shoot system. Most of the structures in these systems are common to a
    10·1 answer
  • Determine whether the following statement is true or false and why. “Variation caused by the environment is not heritable, so it
    10·1 answer
  • PLEASE HELP ME!!!!! I NEED HELP!!
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!