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
Nadusha1986 [10]
2 years ago
5

What element has a charge of -2 when bonding? on the periodic table

Biology
1 answer:
baherus [9]2 years ago
6 0

Answer: Oxygen has a charge of -2 when bonding

You might be interested in
Some scientists claim that humans are responsible for the increase of CO2 in the atmosphere. Evaluate which system the increased
forsale [732]

Yes, human activities are a significant cause of the increase in the amount of Carbon dioxide in the atmosphere.

<h3><u>Explanation:</u></h3>

The increasing amount of CO_2 is a big problem in today's world for the atmosphere. Human activities are playing a vital role in the rise in CO_2. Carbon emission is majorly happening because of pollution. The pollution by vehicle, wax factories, chemical factories, etc. also, some other kinds of Carbon emission activities are there like burning coal and plastic produces Carbon in very high amount and this Carbon directly mix into the atmosphere.

Due to the increase in CO_2, both natural and agricultural ecosystems are suffering. CO_2 causes air pollution, and because of that, the quality of crops is declining day by day. Also, the natural vegetation is struggling as the rainwater is also not pure; the amount of acidic content in natural rain is increasing per year. All these activities are leading towards global warming, which one day will bring our earth to an end. So it is imperative to take some severe legal measures to save the environment and decline the amount of CO_2 producing.

3 0
3 years ago
2. Which type of microscope can produce three-dimensional images of a cell’s surface? (1 point)
harkovskaia [24]
<span>2. This type of microscope is called a scanning electron microscope. 3. The difference between these two cells are that one has a nucleus and the other one doesn't. A eukaryotic cell has a nucleus and a prokaryotic does not.</span>
3 0
3 years ago
What type of organism is a pillbug and where do they live?
AlexFokin [52]
A pillbug belings to Kingdom Animalia, Phylum Arthropdoa, and Class Crustacea.
7 0
3 years ago
A protein channel in a hydrogen ion pump is shown below. What would happen if the concentration of H+ ions were higher inside th
inessss [21]

Answer:

The H+ ions moves outside.

Explanation:

The H+ ions moves outside the mitochondria of the cell if the concentration of H ions were higher inside the mitochondrion than outside environment of the mitochondrion in order to equalize the pH or H+ ions concentration of both inner side of mitochondria and outer side environment. This movement of H+ ions from a region of higher concentration to the region of lower through a semi-permeable membrane is known as osmosis which has a positive effect on the cell as well as organelles of the cell.

5 0
3 years ago
It is estimated that _______________ of human DNA encodes protein.
Komok [63]
I googled it and it said it is estimated that 5 percent of human DNA encodes protein. Not sure if it is correct or not.
5 0
3 years ago
Read 2 more answers
Other questions:
  • | 1. How are consumers different from producers?
    8·2 answers
  • Why is it necessary to group herbs into garden beds?
    9·1 answer
  • Explain how and why hypertonic, isotonic, and hypotonic solutions affect plant and animals cells?
    11·1 answer
  • Respiratory system individual parts
    13·1 answer
  • All living things are made of organic compounds which contain the element:
    10·2 answers
  • Examples that show between species DNA show , and give evidence of evolution.
    7·2 answers
  • Which of these structures do plants and algae have in common?
    9·1 answer
  • If you had a blue blood when it comes out of your body what would that be
    15·1 answer
  • Why bodily functions are affected so quickly when a person cannot breath?
    15·1 answer
  • The enzyme produced in the kidneys that may play a role in essential hypertension by promoting vasoconstriction is called ______
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!