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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!! (-:

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Where do you find the cells that act to remodel or maintain bone?
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Answer:

The cells (Osteoclasts) are found i believe around the bone to protect it from breaking or if it already is broken those cells help remodel or fix it back in place

Hope this helps

Explanation:

4 0
3 years ago
Yehsahahahha ok i got the answer
balu736 [363]

Answer:

lol :)

Explanation:

7 0
3 years ago
Which observation would provide indirect evidence that supports a hypothesis that the bubbles are o2 ?
zhuklara [117]

Explanation:

D. An increase in bubbles on the plant when it is moved under a brighter light.

The rate of photosynthesis increases with light intensity.

The process of photosynthesis is energy-storing, it converts light energy into chemical energy, which is stored in the bonds of glucose. Thus an increase in light intensity would increase the rate of photosynthesis, and more O2 bubbles would be produced as waste.

Further Explanation:

Photosynthesis is a chemical pathway that’s integral to producing energy in plants and other primary producers. Energy in the form of molecules of glucose is produced from light, water and carbon dioxide while oxygen is released.

Occurring in several complex steps, photosynthesis is a rate limited reaction, depends on several factors including carbon dioxide concentration, ambient temperature and light intensity; the energy is retrieved from photons, I.e. particles of light, and water is used as a reducing agent. Water supplies the chlorophyll in plant cell with replacement electrons for the ones removed from photosystem II.

Additionally, water (H2O) split by light during photolysis into H+ and OH- acts as a source of oxygen along with functioning as a reducing agent; it reduces the molecule NADP to NADPH by providing H+ ionsand produces molecules of the energy storage molecule ATP through an electron transport chain.

This occurs in the thykaloids, where pigment molecules like chlorophyll reside. Later, in dark reactions, NADP and NADPH are used in the Calvin cycle where monosaccharides or sugars like glucose are produced after the modification of several molecules. These store energy in their bonds, which can be released in respiration in the mitochondria.

Learn more about Photosynthesis at brainly.com/question/4216541

Learn more about cellular life at brainly.com/question/11259903

#LearnWithBrainly

3 0
3 years ago
Is it true or false of the finding of evidence of liquid water on Mars is important because water is essential for life?
ki77a [65]
Water is essential to life because it creates us humans, plants, animals, etc. So, if we find water on Mars it would be important because water is essential to life, meaning we would know that there would be some kind of life on Mars because water makes up anything. 
7 0
3 years ago
Meristematic cells called the _____ add width to the plant body.
bulgar [2K]

<span>vascular cambium
</span><span>

Apical Meristems are found in the tips of the roots and in the buds of the shoots. They supply cells for the plants to grow in length.

Apical Meristems are found in herbaceous plants, woody plants, grasses, and flowering plants.

In flowering plants, shoot apical meristem develops into an inflorescence meristem which produces the floral meristem. The floral meristem is responsible for the production of the sepals, petals, stamens, and carpels of the flower.
</span>
7 0
3 years ago
Read 2 more answers
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