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
Oksana_A [137]
2 years ago
5

What type of reaction is combustion of coal? A. endothermic B. physical C. heat-absorbing D. exothermic

Biology
2 answers:
nydimaria [60]2 years ago
4 0
Exothermic - hope that helps x
Leni [432]2 years ago
4 0

Answer:

Redox Reaction

Explanation:

Burning coal is a chemical change called combustion. A combustion is the chemical reaction (redox reaction) of coal with oxygen O2. It is exothermic, which means it releases energy : hence the heat.

You might be interested in
Which of these statements is true?
blondinia [14]
I think its letter b.
6 0
3 years ago
What would happen to the water if you stopped the motion of the bucket while it was turned upside-down?
11111nata11111 [884]

The water would come out the bucket in one direction which is downwards

4 0
2 years ago
J'aurais besoin d'aide pour ce devoir de SVT 2nd
ryzh [129]

Answer:

mala maff Kar ra meko angraze nahi ati rae baba

3 0
2 years ago
Identify one weather variable that determines that whether buffalo recevies rain or snow from a lake effect storm in october
anygoal [31]
The mountains in Buffalo because of the temperature.
4 0
3 years ago
A client has a high level of carbon dioxide (co2) in the bloodstream, as measured by arterial blood gases. a nurse reviewing the
igor_vitrenko [27]

It will cause vasodilation of blood vessels in the brain.

CO2 is one of the metabolic end products that can alter the tone of the blood vessels in the brain. High CO2 levels cause vasodilation, which may cause headache, whereas low CO2 levels cause vasoconstriction, which may cause lightheadedness. The statements included in the other options are incorrect effects.

3 0
2 years ago
Other questions:
  • How many different white blood cells are there
    11·1 answer
  • NEED ASAP!! 60 PTS!!!
    8·1 answer
  • What is true about genetic material in prokaryotic and eukaryotic cells?
    5·2 answers
  • What is the hallmark of our species, according to evolutionary psychologists?
    11·1 answer
  • Which tool enabled researchers to observe the structure of cells for the first time?
    6·2 answers
  • Please answer! will give brainliest.
    13·1 answer
  • Starch is a polysaccharide that contains...
    9·1 answer
  • Im not very sure about this
    14·1 answer
  • Choose all that apply. What tools do scientists use to make decisions when employing reasoning skills?
    14·2 answers
  • The property of ice that allows it to float in water is the ice low
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!