Answer: Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.
Explanation:
Coal is produced from wood through decayed animals that burry down the earth and also start to deteriorate and behind millions of years they become coal.
How Coal is Formed?When Coal is primarily carbon with varying portions of different elements; oxygen, sulfur, chiefly hydrogen, and also nitrogen. Coal is produced from wood through decayed animals that burry down the earth and also start to deteriorate and behind millions of years they become coal.Coal is assembled when destroyed plant consequence decays into peat and is transformed into coal by the heat and intimidation of profound burial over millions of years.
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Scientists have discovered a fossil skeleton of a whale-like creature that lived in the early Eocene epoch. The skeleton shows an organism with large fore and hind limbs with distinct toes. Fossil skeletons of closely related species from later periods show organisms lacking hind limbs. Which conclusion does this observation best support?
A. Ancestors of whales may once have been able to walk.
B.Ancestors of whales had fewer bones than modern whales.
C. Whales and their ancestors have always been ocean dwellers.
D. Whales and their ancestors have always been the largest living
Answer:
A. Ancestors of whales may once have been able to walk.
Explanation:
If H = hairy legs and h = smooth legs. Which of the following represent a
genotype?
(Select all that apply.) *
a) hairy legs
b) smooth legs
c) HH
d) hh
Answer:
C and D
Explanation:
I think im correct
1. Typically large organisms
Large organisms include...
Mammals (Mammalia)
Stem-mammals (Synapsida)
Reptiles (Reptilia)
Dinosaurs (Dinosauria)
What step in photosynthesis may occur during day and night? A.Light independant reactions B.Light dependant reactions c. Photolysis
Answer:
a is the answer
Explanation:
Light independent reactions of photosynthesis may occur during day and night.
STAGES OF PHOTOSYNTHESIS:
Photosynthesis is a metabolic reaction undergone by green plants to obtain their food using energy from sunlight. Photosynthesis is a process that involves two major stages: light independent reactions and light reactions. Light dependent reactions occur strictly under light conditions because light is needed to break down water molecules in a process called photolysis. In the light dependent reactions, water is broken down by light to give oxygen gas. In the light independent reactions, carbon dioxide is required.However, light independent reactions may occur during day and night. This is because light independent reactions does not require light to occur.
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Which part of the illustration depicts osmosis
Answer:
A ● I is the right answer
Explanation:
please mark me as brainliest
If you use a microscope to view an unknown cell, what structure should you look for to tell you if it is a eukaryotic cell?
A Cell membrane
B Cytoplasm
C DNA
D) Nucleus
Answer:
If you use a microscope to view an unknown cell, should you look for a nucleus option D.) to tell you if it is a eukaryotic cell
Explanation:
A sunflower turns toward the sun. What type of tropism would this be?
Answer:
Phototropism
Explanation:
Phototropism is the term that describes the growth of a plant toward any light source.
In a family with parents who do not have hemophilia, one son has hemophilia. Who was the carrier of the gene for hemophilia?
*if possible, I also need a Punnett square *
Answer: All daughters of a man with hemophilia will be carriers
Explanation:
what would a genetic mutation most immediately affect
Answer:
The structure of one or more proteins produced by the organism.
Explanation:
Genetic mutation can also can cancer 5 - 10% of the time.
Which organelle is considered the control center of the cell or the "brain" of the cell? It contains all the DNA or the instructions to carry out the function of the cell.??
Answer:
Cell Nucleus
Explanation:
The nucleus is perhaps the most important structure inside animal and plant cells. It is the main control center for the cell and acts kind of like the cell's brain.
A bee gets nectar from a flower and the flower gets help with pollination. Both benefit, so the symbiotic relationship is _______________.
Competition
Commensalism
Mutualism
Parasitism
I need help on this and the person who answer this correctly gets a BRANLIST(answer if you know)
Answer:Option A
Explanation:pH decreases with increase in temperature
When a blood clot breaks free and blocks a vessel leading to the brain a _______________________ can happen.
Answer:
a stroke can happen
Explanation:
A stroke can happen, right?
Which resource is renewable?
O A. Diamonds
O B. Coal
O C. Wind
O D. Aluminum
Answer:
Wind is a renewable energy source.
Explanation: Overall, using wind to produce energy has fewer effects on the environment than many other energy sources.
which one of the following answers has clear ectoplasm, pseudopodium, nucleus, contractile vacuole, cell membrane, and granular endoplasm
A.Protista
B.Animalia
Light energy is changed to cell energy in stage 1 of photosynthesis. True or false
Answer:
dang i wish i was smart lol
Help me please please please give you a reasoning while you picked it. only 3
What is the repeating monomer of a DNA molecule?
triglyceride
O dipeptide
nucleotide
phospholipid
Answer:
3. Nucleotide
Explanation:
The repeating monomer of a DNA molecule is basically called as nucleotide. The correct option is C.
A nucleotide is the DNA molecule's repeating monomer. The building blocks of DNA are called nucleotides.
They are made up of three primary elements: a nitrogenous base (such as adenine, thymine, cytosine, or guanine), a sugar molecule (deoxyribose), and a phosphate group.
Covalent interactions between these nucleotides allow them to join together to form a lengthy chain or strand of DNA. The genetic information is encoded in the nitrogenous nucleotide sequence throughout the DNA strand.
DNA is able to carry and transmit genetic information from one generation to the next due to the specific nucleotide configuration.
Instead of being repeating monomers of DNA, triglycerides, dipeptides, and phospholipids are parts of other macromolecules.
Thus, the correct option is C.
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Your question seems incomplete, the probable complete question is:
What is the repeating monomer of a DNA molecule?
A. triglyceride
B. dipeptide
C. nucleotide
D. phospholipid
7 Alice is studying biological molecules. She isolated a molecule and identified the
nucleotide bases adenine, cytosine, guanine, and thymine. Which molecule did
Alice isolate?
F DNA
HIRNA
G mRNA
I TRNA
Which of the following DOES NOT regularly use the atmosphere during its process?
A. The Nitrogen Cycle
B. The Water Cycle
C. The Carbon Cycle
D. The Phosphorus Cycle
When an action potential is generated within a motor neuron, ________. When an action potential is generated within a motor neuron, ________. all of the muscle cells within the motor unit are stimulated to relax the muscle cells from a neighboring motor unit will contract every muscle cell of the motor unit is stimulated to contract only select muscle cells within the motor unit are stimulated to contract the muscle cells of the motor unit will occasionally contract
Answer:
every muscle cell of the motor unit is stimulated to contract.
Explanation:
Stimulus in biology can be defined as an obvious change in either the chemical or physical structure of an organism' environment (either external or internal). Thus, all living organisms (both animals and plants) respond to changes in their environment and consequently, an appropriate response or reaction is made. Also, stimulus arising from within the organism is known as internal stimulus while those from its environment are known as the external stimulus.
In organisms, the specialized cells that detect stimulus are generally known as sensory receptors while a group of these receptors is referred to as sense organ. Therefore, the senses are necessary for behavior because stimuli must be sensed in order to respond.
Stimulus control can be defined as a phenomenon that arises when a living organism responds or behaves in the presence of a stimulus and in another way in the absence of a stimulus.
For example, opening the door of a microwave oven as soon as its timer beeps.
Example II; When your body touches a hot object, you quickly move away and feel some pain subsequently.
Action potentials generates the nerve impulse in a motor neuron.
When an action potential is generated within a motor neuron, every muscle cell of the motor unit is stimulated to contract.
Sunny makes a poster showing the levels of organization in the human body.
How can Sunny correct his error? Check all that apply.
Arrow A should point to the organ system.
Arrow B should point to the cell.
Arrow B should point to the organ.
Arrow C should point to the muscle tissue.
Arrow C should point to the organ system.
Answer:
Arrow B should point to the muscle tissue, Arrow C should point to the organ system.
These are the correct answers, have a nice day! :)
Answer:Arrow B should point to the organ.
Arrow C should point to the organ system.
Explanation: i just did it
If the DNA molecule is only composed of four possible nitrogen bases, how can thousands of different proteins be formed from such a limited set of fixed shapes?
Answer:
nucleotides are only building blocks whose combinations determine different codons which subsequently associate in a sequential manner in order to create different amino acid combinations
Explanation:
A gene is a specific segment of DNA whose (nucleotide) sequence is copied into an RNA during the process of transcription, typically a messenger RNA (mRNA) molecule which is subsequently used to synthesize a protein. During translation, each triplet of nucleotides, i.e., each codon, corresponds to a specific amino acid. There are 64 possible codons (4³: 64), which can combine in different ways to create different amino acid combinations, and thus they are responsible for the generation of a huge amount of proteins coded by a given genome.
Define Trait please
Answer:
a distinguishing quality or characteristic, typically one belonging to a person.
Explanation:
A trait is a distinguishing feature of a person's character. It can be physical or behavioral. An example of a behavioral trait is the tendency politicians have to exaggerate. An example of a physical trait is having blond hair and blue eyes.
hope this helps...
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Why does sexual reproduction process create offspring with genetic variation (different genes between parents and siblings)?
Answer:
Sexual reproduction process creates offspring with genetic variation because their are 2 parents unlike in asexual reproduction where there's only 1 parent. Since, there are 2 parents with difference in their DNA & genes the offspring too will have a variation.
which processes beings the formation of sedimentary rock?
Answer:
clastic sedimentary rock are made up of pieces of pre-existing rocks. pieces of rock are loosened by weathering, then transported to some basin or depression where sediment is trapped. if the sediment is very deeply, it becomes compacted and cemented, forming sedimentary rock.
Explanation:
Hope this helped Mark BRAINLEST!!!!
Answer:
Sedimentary rocks are the product of 1) weathering of preexisting rocks, 2) transport of the weathering products, 3) deposition of the material, followed by 4) compaction, and 5) cementation of the sediment to form a rock. The latter two steps are called lithification. A sediment is a particle of solid, loose pieces of rocks (in the form of sand, silt, clay, and gravel), or the remains of living organisms. Sediment is material that has been eroded, transported and deposited by wind, running water, waves, and ice in a place.
These rocks can also form from by the evaporation of seawater, or the settling of the remains of organisms in a water body. Sediment can become compacted, cemented and are foundin layers. Sedimentary rock is often found in layers.
Sedimentary rocks are formed on or near the Earth's surface, in contrast to metamorphic and igneous rocks, which are formed deep within the Earth. The most important geological processes that lead to the creation of sedimentary rocks are erosion, weathering, dissolution, precipitation, and lithification.
Explanation:
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Which one is the true answer
Arrange the various crop development stages.
growth of the embryo within the seed coat
the emergence of the plumule or shoot
the emergence of the radicle or root
absorption of water and oxygen through the seed coat by the seed
Answer:
A D C B
Explanation:
Answer:Absorption
Growth
The emergence of the radicle or root
The emergence of the plumule or shoot
Explanation:
took thw test
bacteria are both useful and harmful for human beings. justify
What is a Structure that no longer has a purpose in an organism is called a. I don’t know the answer pls help
Answer:
Vestigial structure. Hope this helps :P
Explanation: