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
dem82 [27]
2 years ago
12

MN

Biology
1 answer:
Elodia [21]2 years ago
4 0

Answer:

O silicon (Si)

Explanation:

-Valence electrons are electrons of the outermost shell which can participate in chemical bonding. ... -As in silicon, four electrons are present in the outermost shell, so silicon has Four valence electrons.

You might be interested in
True / False. Biologists classify specific forms of traits as good or bad. For example, long tails in cats could be classified a
k0ka [10]

Answer: False

Explanation:

Some organisms have an advantage with some traits, but they could be a disadvantage in other situations.

4 0
3 years ago
Read 2 more answers
Through what process might the water have changed and moved before and after the dinosaur drank it?
maksim [4K]

Answer:

The water we drink now was the same water the dinosaurs drank. Discuss how the water cycle makes this statement accurate. Include different parts of the water cycle and what processes help move the water through each part.

8 0
2 years ago
Which of the following would represent a monophyletic group?
Grace [21]
College is hard wow
6 0
3 years ago
Some problems with use of DNA analysis for forensic evidence may occur because of
alisha [4.7K]

Answer: Option D " all of the above "

Explanation: DNA can be a great source of information when used as a forensic evidence. This technique has many advantages and disadvantages when used as a source of information in case of crime.

Identical twins: There are some common fragments of DNA that is same in identical twins so it can be a difficulty in deciding the criminal.

Not enough of a sample: DNA should be present in a detectable amount to be used an sample for evidence, less than this detectable amount is a waste and cannot be used as a sample for evidence.

Contaminated and degraded sample: If the sample of DNA is contaminated or degraded then the result might be incorrect and might not be used as a sample for forensic evidence.

Hence, the correct answers are all of the above.

4 0
3 years ago
Which answer choice best describes the difference between folded mountains and fault-block mountains?
Vikki [24]
The correct answer is B
8 0
3 years ago
Read 2 more answers
Other questions:
  • Compared to its surroundings, the concentration of solutes is low inside a cell so, the cell is in a hypertonic, hypotonic or is
    11·1 answer
  • Ideally, sustainable development should a. put the protection of the environment ahead of human needs. b. provide for human need
    10·1 answer
  • What phase occurs directly after g2
    9·1 answer
  • What statement summarizes the law of segregation
    14·1 answer
  • What gas is represented by #1 on the graphic?
    11·1 answer
  • Which action is a reflex action?
    13·2 answers
  • Did your alien have more or less features incommon with your peers? Why do you think so?
    8·1 answer
  • Why is it important to know the pH of different solutions?
    15·1 answer
  • Do Seedless vascular plants use spores to reproduce?
    12·2 answers
  • Maintaining a healthy lifestyle through diet and excerise is important
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!