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
OverLord2011 [107]
3 years ago
6

Elements are placed into the same period on the periodic table of the elements because they ___________.

Biology
2 answers:
Alex Ar [27]3 years ago
5 0

Answer:

hey.

Explanation:

irinina [24]3 years ago
5 0

Answer:

Have the same number of electron energy levels

Explanation:

Like, every element in the top row has one electron, the second row has two electrons, etc.

You might be interested in
Please help I don’t know the answer to this question.
DedPeter [7]
The answer for you question is C
4 0
2 years ago
What might be a symptom of a person whose vein valves are not functioning properly and are causing fluid it flow away from the h
IrinaVladis [17]

Considering answers;

-fever

-constricted veins

-swollen veins

-confusion


Answer;

Swollen veins


Swollen veins might be a symptom of a person whose vein valves are not functioning properly and are causing fluid it flow away from the heart.


Explanation;

Valves are structures that are found in the circulatory system both in the heart and the veins.

They function to prevent the back flow of blood.

They do so by ensuring the continuous flow of blood in one direction.

If the valves are not functioning properly it may lead to various effects such as swollen veins due to the back flow of blood which may lead to the pooling of blood in the extremities.

4 0
3 years ago
Help this is due in 30 minutes
stiv31 [10]

Answer:

I think its D

Explanation:

3 0
3 years ago
Read 2 more answers
In living organisms, complex chemical activities do what to substances?
Firlakuza [10]

Answer:

D. build them up and breaks them down

hope this will help :)

8 0
3 years ago
Read 2 more answers
Why can photosynthesis only occur if a plant has been in the light
raketka [301]

Answer:

because light is also the source or heat

heat and light come together in many cases

5 0
3 years ago
Other questions:
  • The placenta, a temporary organ that is shed after the infant is born, is the site of exchange of oxygen, nutrients, and waste b
    15·1 answer
  • You and a group of friends are spending your vacation hiking through the mountains. It is cold in the mountains. You will be exp
    14·2 answers
  • Carbohydrates are the primary source of energy for the human body. If your body lacks enzymes that break down carbohydrates, it
    14·2 answers
  • Why is ozone an important part of earth’s atmosphere ?
    13·2 answers
  • How accurate is DNA and fingerprint technology, and when did it emerge? What level of human error still plays a role in this typ
    6·1 answer
  • Which of the following statements is true regarding individual III-5? Select all that apply. Select all that apply. Individual I
    10·1 answer
  • Which organelle produces proteins
    8·2 answers
  • Which is the correct order from smallest to LARGEST?
    14·1 answer
  • Explain how the nitrogen cycle works
    12·1 answer
  • How many electrons does this isotope of titanium have?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!