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
Stels [109]
3 years ago
13

Why is it not possible to completely convert thermal energy into mechanical energy

Biology
1 answer:
MAXImum [283]3 years ago
8 0
The second law of thermodynamics is a statement of the law of conservation of energy say that heat cannot be completely converted into mechanical energy  
You might be interested in
One function of the carbohydrate macromolecule is to store energy. Which other macromolecule also functions in storing energy?
taurus [48]

<u>Answer: </u>

<h2>Lipids </h2>

<u> Explanation: </u>

Lipids are the macro-molecules used to store energy in our body. They have the ability to store energy more efficiently and are called long-term energy storage.  

They can store twice as much energy as other molecules. They contain nine Kcal of energy per gram a compared to proteins and carbohydrates which only produce four kcal per gram. They are present in our body in the form of fat and are insoluble in water.

6 0
3 years ago
Which came first: sexual or asexual reproduction?
cupoosta [38]

If i remember correctly asexual reproduction came first because without asexual reproduction the cells would not have been able to produce other cells so what few cells there were reproduced asexually and then it evolved onto sexual reproduction later in development

8 0
3 years ago
During the human digestion process, digestion is compartmentalized in various organs throughout the digestive system. how does t
GenaCL600 [577]

The human digestion starts in the small intestine gets the most of the nutrients in your food, and your circulatory system passes them on to other parts of your body to store or use.  When food enters the small intestine, villi along the intestine wall along with enzymes help break down the food, and takes a long journey. The stomach is right above the small intestine, and the small intestine is all wrapped around, and isn't that thick. Nutrients from the food are released to the whole body as energy. The small intestine brings the food to the large intestine, which is five feet long and is near your pelvis, or hips. The large intestine connects to the rectum, and then to the anus. In the large intestine, all the water is absorbed as well as salt.

8 0
3 years ago
In humans, oogenesis in comparison to spermatogenesis is different in that _____. in humans, oogenesis in comparison to spermato
fenix001 [56]

<span>In humans, oogenesis in comparison to spermatogenesis is different in that the temperature they have. Female puberty typically occurs much later than the age of male puberty oocyte production works best at cooler temperatures than those that support spermatogenesis oogenesis continues throughout life, but spermatogenesis typically ends.</span>

5 0
3 years ago
Imagine that you have just found a new fossil for a yet undiscovered organism what would you want to know about the rock layer i
julia-pushkina [17]
I don't know if this helps or not but you would want to know the age of the rock (absolute dating) and from there you will be able to know the age of the fossil and what caused it to die.
4 0
3 years ago
Read 2 more answers
Other questions:
  • Why do you think it is so difficult for some people to accept the idea of continental drift?
    14·1 answer
  • The two main areas of physical science are ____________ and _____________. ( separate your answers with a , ) (1 point)
    14·1 answer
  • The answer for this question
    9·2 answers
  • The Researches talk about a "Balance" within the Ecosystem that Exists within the
    7·1 answer
  • What is a main reason your body uses enzymes in chemical reactions?
    6·1 answer
  • Invertebrates are the most commonly found fossils because they:
    8·1 answer
  • Most of the photosynthesis in plants takes place in the
    7·2 answers
  • Hydrogen is usually found on earth.
    8·1 answer
  • Which of the following describes research that would be considered basic science? A. A professor at a university is observing th
    13·1 answer
  • How would the decimal point move to solve the equation 124 ÷ 10 to the power of 1?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!