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
katrin2010 [14]
2 years ago
7

Sam drives an excavator at an open surface strip coal mine. which type of coal is he most likely to collect closest to the surfa

ce?
Biology
1 answer:
gizmo_the_mogwai [7]2 years ago
3 0

Sam drives an excavator at an open surface strip coal mine. He has the most tendency to collect the lignite coal which is found in the outermost surface of the earth.

<h3>What is Lignite?</h3>

The brown coal known as lignite, which is found in the topmost layer of the earth's crust, is frequently referred to as such and is essential for commercial use due to the fact that these coals are the only ones used for the majority of applications.

Electricity produced from lignite is plentiful, affordable, dependable, and environmentally friendly. Lignite is a flammable mineral that ranges in color from dark brown to black and was created over millions of years by the partial decomposition of plant matter under conditions of elevated pressure and temperature in an atmosphere devoid of air.

To learn more about lignite visit:

brainly.com/question/16421194

#SPJ4

You might be interested in
A type of lymphocyte called a(n) ________ detects cells with abnormal surface proteins and kills them.
kirill [66]

A type of lymphocyte called  NK cell detects cells with abnormal surface proteins and kills them.

<h3>What are lymphocytes?</h3>

One variety of white blood cell is the lymphocyte. They are crucial to the functioning of your immune system, which aids in the body's defense against sickness and infection. An extensive network of immune cells, lymph nodes, lymph tissue, and lymphatic organs makes up your immune system. Immune cells include lymphocytes. The two primary categories of lymphocytes are:

T lymphocytes (T cells): T cells direct your body's immune response and actively hunt down and destroy cancerous and infected cells.

B cells, or B lymphocytes: The B cell produces antibodies. Proteins called antibodies hunt down viruses, bacteria, and other foreign invaders.

Your body's immune system uses lymphocytes to combat cancer and invading viruses and germs (antigens). Your immune system benefits from lymphocytes' assistance in retaining every antigen it encounters. Some lymphocytes develop into memory cells after an encounter. Memory cells detect an antigen and reactbwhen they come into contact with it again. You don't contract illnesses like measles or chickenpox repeatedly because of this. Additionally, it explains why some diseases can be avoided through vaccination.

To know more about lymphocytes, visit:

brainly.com/question/25397351

#SPJ4

7 0
1 year ago
Please help! much appreciated &lt;3
hodyreva [135]

Answer:

1. CO2 (Carbon Dioxide)

2. H2O (Water)

3. Sunlight

4. C6H12O6 (Glucose)

5. O2 (Oxygen)

Explanation:

goodluck dude

5 0
2 years ago
How is the density of a substance calculated
slava [35]
Mass divided by volume is the correct answer
8 0
3 years ago
Read 2 more answers
Need "an observation about the the world"
OLEGan [10]
Humans are horrible to each other and always will be
8 0
3 years ago
2. In order for the lagging strand to elongate during DNA replication, it must
devlian [24]

Answer:B) progress towards the replication fork.

Explanation:

Replication fork is a point on the parental DNA where the DNA is being unwound and separated; and the separated strands are being replicated. Synthesis of a new DNA strand occurs in a 5' -> 3' direction, as the DNA strand serving as the template is read from its 3' -> 5' direction. During replication, two strands of DNA are synthesized: The leading strand is synthesized continuously in the same direction as the replication fork movement while the lagging strand is synthesized discontinuously in the direction opposite to the direction of fork movement, that is, towards the replication fork. The lagging strand is synthesized in short fragments known as Okazaki fragments.

3 0
3 years ago
Read 2 more answers
Other questions:
  • Explain how the eyespot, the flagella and the chloroplast enable Chlamydomonas to photosynthesise.
    10·1 answer
  • Explain why damage to the neck can cause quadriplegia (loss of use of arms and legs)
    13·1 answer
  • Which of these elements is found in both carbohydrates and water?
    7·2 answers
  • A young girl was born with a patch of soft fur that ran from the base of her neck to her tailbone. she did not display any other
    15·1 answer
  • A student observes a small disc-like green organelle in a plant cell. Which organelle is the student most likely viewing?
    9·2 answers
  • Plants need carbon dioxide in order to survive plant get this gas from blank which is something all organisms need
    7·1 answer
  • Compare the function of the left and right side of the heart!<br> Thanks
    13·1 answer
  • Rivers deposit sediment. SC.912.E.7.7
    11·1 answer
  • Need help ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Still have more work to do please help!!!!!!!!
    13·2 answers
  • In three to five sentences, explain why recyclable does not necessarily equate to renewable. Give examples to support your expla
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!