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
Aleks04 [339]
3 years ago
9

What do carbon,oxygen,hydrogen, and nitrogen have in common

Biology
1 answer:
Alona [7]3 years ago
7 0
Answer: they all have the same number of valence electrons. they all have umpaired electrons in their valence shells. They are elements produced only in living cells.
Each element exists in only one isotopic form.
You might be interested in
What is the foundation for the different climates around the world
nordsb [41]
Hi Andy Its Nick From Your Science Class,And I Dont Know
3 0
4 years ago
when a prairie dog spots a predator, it responds by giving an alarm call, but only when close relatives are near. this is an exa
inn [45]

when a prairie dog spots a predator, it responds by giving an alarm call, but only when close relatives are near. this is an example of vocalization.

<h3>What do you mean by predator ?</h3>

The interaction between prey and a predator, where the energy flow occur called as predation and the organism feed on other organism called as predator and the food means the other organism is called as prey.  

Predators can be carnivores and omnivores like Lions, tigers, sharks, and snakes, all are predators, it can fall prey to other large animals E.g. a snake is a predator to a mouse, but prey to a hawk.

Carnivorous predators directly kill and eat their prey like large animals such as the lion and tiger, they have their own mode of feeding.

Herbivore are plant eating animals like cows, buffaloes, goats, sheep, and deer; parasites are also under the category of predators which is a host dependent and live, get nutrients from host's body for survival and reproduction.

Learn more about predator, here:

brainly.com/question/12410124

#SPJ4

3 0
2 years ago
What must happen for scientific theories to be excepted as valid?
Elina [12.6K]

Answer:

A:Scientific evidence must be reported, verified, and accepted by the scientific community

B:amino acid

Explanation:

aaaay another flvser

8 0
3 years ago
What is declination​
valentinak56 [21]

Answer: angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles

Explanation:

7 0
4 years ago
Read 2 more answers
How does translation form proteins?
Juliette [100K]
Letter B is correct answer that what I am thinking
8 0
3 years ago
Other questions:
  • What does photosynthesis form in a leaf first
    14·2 answers
  • All adults over the age of 40 experience age-related bone loss. what is the term for this condition?
    13·1 answer
  • If the concentration of water in a cell is higher than the concentration of water in the cells surroundings solution, predict wh
    15·1 answer
  • What is NOT a major use of sardines once they are caught<br> commercially?
    14·2 answers
  • Why is altruistic behavior not very common?
    6·1 answer
  • What is the functions of a nucleolus?
    10·1 answer
  • What is the type of allele that only affects the phenotype in the homozygous condition?
    11·1 answer
  • A male and a female are both heterozygous for a particular trait. Which of the following represents the expected ratio of domina
    9·1 answer
  • What evidence can you find to describe whether the lungs are active
    9·1 answer
  • Genes are the parts of DNA that code for proteins.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!