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
Fantom [35]
3 years ago
8

List four different primary energy resources that humans have used.

Biology
2 answers:
Dmitry_Shevchenko [17]3 years ago
8 0

Answer:

the four primery energy resources are fossile fuel petrolium natural gas and coal hope ur help and mark me brainlist

Butoxors [25]3 years ago
4 0

Answer:

हिंदी में खोजें

मानव द्वारा उपयोग किए जाने वाले चार विभिन्न प्राथमिक ऊर्जा संसाधनों की सूची बनाएं

<em><u>Crude oil, coal, wind and natural gas are all primary energy sources. Electricity is not a primary energy source, it's an energy currency (see electricity as an energy currency for an in depth discussion). Likewise, secondary fuels are also energy currencies and aren't primary energy sources, they must be made.</u></em>

You might be interested in
A disease called phenylketonuria causes mental problems, reduces skin pigmentation, and also affects the coloration of urine. Wh
swat32

Answer:

Pleiotropy

Explanation:

Pleiotropy is a genetic condition in which a single gene conditions the expression of multiple phenotype. There are different types of pleiotropy depending on the underlining mechanism

  • <em>gene pleiotropy</em>
  • <em>developmental pleiotropy</em>
  • <em>selectional pleiotropy</em>
  • <em>antagonistic pleiotropy </em>

<em>Phenylketonuria is a disease characterized by increased level of amino acid phenylalanine in the blood. It caused by mutation to the gene responsible for breaking down phenylalanine in the blood. Elevated level of phenylalanine causes other issues such as mental problems, urine coloration and reduction in skin pigmentation. This is a clear case of pleiotropy.</em>

7 0
3 years ago
What type of microscope has low magnification but allows you to observe very large specimen is because the larger working distan
lilavasa [31]

Answer:

Stereo microscopes, also called low-power microscopes, dissection microscopes, or inspection microscopes, are designed for viewing "large" objects that are visible to the naked eye at low magnifications (under 50x). A stereo microscope provides an upright and unreversed, 3-dimensional image of the specimen.

Explanation:

3 0
3 years ago
Read 2 more answers
In a certain plant species, thick-shelled seeds are caused by the dominant allele T, while thin-shelled seeds are caused by the
fomenos

Answer: tt

Explanation: If the allele for a trait is recessive, it has to have 2 of that recessive allele to show that trait.

6 0
3 years ago
1) what is cell division is affected by
Fudgin [204]
Both answers are d, all of those things can affect the outcome of cell division, and the cell cycle is what we call this sequence of events.
7 0
3 years ago
Sweating when hot, shivering when cold, blinking when a bright light hits
sesenic [268]
This is called Sensitivity
4 0
3 years ago
Read 2 more answers
Other questions:
  • Tim has suffered a vasovagal loss of consciousness, commonly known as fainting. environmental triggers, including the smell of t
    7·1 answer
  • Birds have ________ and not teeth.<br> a. jaws<br> b. molars<br> c. beaks
    9·2 answers
  • What is the MAIN purpose of the Clean Water Act (CWA)?
    15·2 answers
  • How would a Bohr model of a neon atom differ from the model of nitrogen.
    9·1 answer
  • What is the 10th book in the bible
    7·2 answers
  • Is a plain the result of constructive forces, destructive forces, or both?
    12·2 answers
  • Can someone help me with some biology quizzes?? i'm in pre AP 9th grade biology
    12·2 answers
  • What is a benefit of north America doing climate change and how do they benefit
    8·1 answer
  • Explain how vaccinating chickens reduces the number of cases of salmonella<br> food poisoning
    15·1 answer
  • When the stress response is initiated, changes come about because of the activation of a branch of the nervous system called the
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!