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
masha68 [24]
3 years ago
11

What caused the tree trunks to turn from light to dark in color?

Biology
1 answer:
Harrizon [31]3 years ago
3 0
It was pollution from the industrial revolution that caused tree trunks to turn from light to dark in color.
You might be interested in
Which of the following statements about phospholipids is TRUE? A Option A: Each one has two fatty acid chains and the glycerol b
Diano4ka-milaya [45]

Answer:

Each one has two fatty acid chains and the glycerol backbone is bonded to a small polar group.

Explanation:

Phospholipid is a unique form of lipid. The  bonding of the glycerol backbone to the polar phosphate group makes phospholipid to have dual solubility unlike general triglycerides.

 

The polar head is said to be hydrophillic that is <u>water loving,</u> while the two carbon chains  that  retained lipid features are hydrophobic <u>water hating.</u>

Therefore if a phopholipid is placed in water, in relation  to its functions as component of cell membrane, it forms a bi-layer in which the water loving portion hydrophilic head points into the surrounding watery medium, while the hydrophobic layer points inwards far away from the watery medium into the internal cellular  layer to form an impermeable barrier to hydrophilic (polar) substances.

This forms the basis of   the  phospholipd  bilayer  of the  cell membrane. And it  controls the permeability of the cell membrane to  influx  substances  into the cells.

3 0
3 years ago
Match each inference about Barrow boy with the clue that best supports it.
Talja [164]

Answer:

children goes with si serńiora, comfort with bed. family is errand

3 0
3 years ago
Read 2 more answers
Why do enzymes lose their function when they are subjected to extreme temperature changes?
11111nata11111 [884]

It's A. Temperature changes modify the enzyme shape, so they no longer fits.

4 0
3 years ago
The most easily polluted groundwater reservoirs are A. salt reservoirs. <br> B. sewage plant reservoirs. <br> C. water-table aqu
Luda [366]
Water-table aquifers, I believe! :)

6 0
3 years ago
What is meant by “gross examination”?
Veronika [31]

Answer:

Hi there, your answer is B

Explanation:

Gross examination deals with looking at specimens with the naked eye that includes able to diagnosis a certain sickness by looking at the affected organ you can see if that organ had a tumor or other problems.

Hope that helped :)

4 0
3 years ago
Other questions:
  • Select the correct answer from the drop-down menu.
    12·1 answer
  • Raul valladares has a protrusion of a muscle substance through a tear in the fascia surrounding it. this condition is known as
    8·1 answer
  • Materials chalk calcium hydroxide filter paper phenolphthalein heat source two Pyrex beakers Directions Crush some classroom cha
    8·1 answer
  • How is the pyramid you drew different? why??
    6·1 answer
  • You learned about wave energy, tidal energy, and current energy. Think about the coastline closest to where you live. Which type
    6·1 answer
  • How are cells, tissues, organs and body systems related?
    13·1 answer
  • PLEASE ANSWER I WILL MAKE U BRAINLIEST!!!
    13·1 answer
  • Where are hormones released? Why<br> are they released there?
    6·1 answer
  • I need help with csi wildelife bruh
    13·2 answers
  • In replication of a linear double-stranded dna molecule, one end of each strand becomes shorter in each round of replication. Th
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!