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
Natasha2012 [34]
3 years ago
9

Which of these substances is a compound?

Biology
2 answers:
adell [148]3 years ago
7 0

Option D, Ammonia.

A compound means that there are multiple atoms bonded together. Chlorine, Nitrogen and Uranium are all individual atoms, and therefore can't be labeled as compounds.

Good luck!

-T.B.

Daniel [21]3 years ago
4 0

Answer:

Ammonia is a compound.

Explanation:

Ammonia is NH3, one nitrogen and 3 hydrogen atoms.

Hope this Helps! Have an Awesome Day!! (-:

You might be interested in
A plant growing toward a light source is an example of an organism..
r-ruslan [8.4K]

Answer:c

Explanation: The plant is responding to external stimuli by growing toward light like our eyes adjusting to the light in the dark......................

3 0
3 years ago
An image formed by a mirror with a flat surface is called a(n) ________ image
Inessa05 [86]
It Is called, a mirror image or reflection.
5 0
3 years ago
Read 2 more answers
Explain the concept of gaseous exchange in humans​
densk [106]
Gas exchange in humans is the delivery of oxygen lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs.
8 0
3 years ago
Wetu
topjm [15]

Answer:

B. oxygen and carbon dioxide.

Explanation:

During cellular respiration, organisms uses oxygen for breakdown of food molecules such glucose and carbondioxide gas is released in the atmosphere. Respiration is a process in which energy is produced in the form of Adenine tri phosphate (ATP) and releases carbondioxide by the chemical combination of glucose and oxygen molecules. The type of respiration in which oxygen is used is known as aerobic respiration.

8 0
4 years ago
The Mesozoic Era is marked by dramatic evolutionary activity. What factor best set the stage for the dramatic development of ins
Reptile [31]

Answer:

  • The era is characterized by having one of the most diverse environment that the earth could have ever seen, as there were number of species of dinosaurs and there were different plant life as well, and the climate was not so cold to live for the different organisms.
  • As, the life on earth flourish even there were organisms found on large scale inside the arctic circle.While, the level of CO₂ increased inside the Mesozoic era. Along , with which the extinction of about 96 percent of life made it very difficult for the rest of the organisms to survive and thus there were now mutations happening inside the different organisms genome.Along, with that the way of reproduction was greatly changed inside the plants, as more effective form of flowering plants were evolved.
  • As, for the animals new species with the increase level of survival instinct were evolved from old simple ones across the globe.                        

4 0
4 years ago
Other questions:
  • Compare the Venn diagram of sexual reproduction and asexual reproduction in plants. Where in the diagram would you add identical
    15·2 answers
  • For average organism, heavy digestion (overnight with an excess of enzyme) of chromatin with micrococcal nuclease would yield a
    8·1 answer
  • Which organelle is labeled A?
    14·2 answers
  • Each of the following is a function of the integumentary system except:
    6·1 answer
  • Answer asap
    15·1 answer
  • What molecules provides the energy to make glucose through photosynthesis?
    8·1 answer
  • Albinism is caused by a recessive mutation. If two albino mice mate and produce offspring with normal pigmentation, what could y
    11·1 answer
  • What is the deadliest animal that ever lived?
    10·1 answer
  • Please help me. I needed it for tomorrow
    11·1 answer
  • What is an adaptation? Pick one.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!