Chemistry Middle School

3. How do plants benefit from human respiration?
A. Plants need oxygen to survive
B. Plants need water to survive
C. Plants need carbon dioxide to survive
D. Plants need nitrogen to survive

Answers

Answer 1
The answer is C

Why:
A - this is natural
B - water is natural
D - this is also natural
C- this is right because when we breathe out we produce more carbon dioxide then we breathed in.
Answer 2
the answer is c because i think that

Related Questions

Pls help meh......Due at 3:00
What type of elements bond covalently?
What are two covalently bonded atoms called?
When drawing an electron dot structure, should you pair up as many electrons as you can around their original atom or should you leave them single?
How does this help you discover how many bonds they will form?
If a molecule has a triple bond, how many pairs of electrons does it share? How many total electrons is that?
What is a molecular compound?
What are properties of molecular compounds?
Why are molecular compounds poor electrical conductors?
How do bonded atoms become partially charged?
What is a nonpolar bond?
What is a polar bond?
Do you think water in the Dead Sea would conduct electricity? Why?

Answers

Answer: most molecular compounds poor conductors because they do not have charged particles to carry current.

Explanation:

How adding tin to copper makes the bronze alloy harder?

Answers

It makes the bronze stronger and harder than either of the other two medals
The molecules are different sizes so they can’t move past each other in the structure.

Which form of energy is used as a roller coaster moves down the track?

a roller coaster moving down a track


Chemical energy
Light energy
Mechanical energy
Solar energy

Answers

Answer:

Mechanical energy

Explanation:

the answer is mechanical hope this helps

Describe the composition of each layer: Crust, mantle, outer core, and inner core all separate please it is worth 5pts x (this means 10 pts)

Subject: Earth Science

Answers

Answer:

crust-Silicate rocks

mantle- Silicate rocks rich in iron and magnesium

Ultramafic rocks

outer core- A layer of molten iron and nickel

inner core- solid iron and nickel

Explanation:

The answer: Crust silicate rocks

What do cuticles do for land plants that were not necessary for ancestors that lived in the water?

Cuticles allow them to grow bigger and taller.
Cuticles help them transport water.
Cuticles help prevent water loss.
Cuticles allow the performance of photosynthesis.
HELP PLS AND THX

Answers

Answer:prevention of water loss would be unnecessary

Explanation:

edge 2021

Cuticles are protective lining in the epidermal layer of plants. Cuticles helps to reduce water loss and protect the plants from environmental stresses.

What is cuticles?

Cuticle is an organism's external layer or area that makes touch with the environment. The epidermis secretes the dead, noncellular cuticle in many invertebrate species. In humans, the cuticle is the epidermis, and this layer may include colours and chitin, similar to arthropods.

The cuticle is a protective coating that protects the epidermal cells of leaves and other organs while preventing water loss in some higher plants.

It is made up of cutin, a waxy, water-repellent compound related to suberin that is present in the corky tissue's cell walls. Hence, option c is correct.

Find more on cuticles:

https://brainly.com/question/28578072

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