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
frez [133]
3 years ago
15

Which statement describes evidence of a chemical reaction?

Biology
1 answer:
yawa3891 [41]3 years ago
7 0

Answer:

lighting a match

Explanation:

You might be interested in
What is the tRNA anti-coden sequence for GCU mRNA?
Assoli18 [71]
What do you meannnnnnn
6 0
3 years ago
Which of the following alternative engery technologies is most likey to be used to power a car?
puteri [66]

Answer:

The correct answer to the question is Biofuel

Explanation:

Biofuel can be used as an alternative energy technology source to power a car.

The importance of using biofuel is that it causes less air pollution than fossil fuels, and  it has less effect on the global warming. Most importantly, it is produced from agricultural sources.

The biofuels that can be used are butanol,ethanol and biodiesel etc.

Wind, geothermal and hydropower can not be directly used to provide power to the car.

Hence, the correct answer to the question is that biofuel which can be used as an alternating technology to provide power to car.

5 0
3 years ago
the condition marfan syndrome results from the production of abnormal elastin, the main component of elstic fibers. predict the
valina [46]

Protein elastin is used to made elastic fiber, component of connective tissue that found abundant in blood vessels, bones, tendon and skin. The effect should be prominent in those organs.

Aorta is the biggest artery blood vessels and it need more elasticity to withstand the pressure of the ventricle. Less elasticity makes aorta become enlarged. The bone will lose density and become thinner. The tendon in heart valve will be weaken and might cause the heart valve disease. The skin will lose elasticity, so it will be easier to stretch.

5 0
3 years ago
Read 2 more answers
the activities in the cell cycle occur during a specific phases. In which phase of the cell cycle is DNA replicated?
ValentinkaMS [17]

Answer:

S phase

Explanation:

The S is short for synthesis, which means that DNA is being replicated.  This is one of the stages of interphase, when the cell is growing and getting ready to divide.  Well, this is the getting ready to divide part of interphase; the cell needs to duplicate its DNA so it has enough to divide out to daughter cells.

8 0
2 years ago
Clare reads on the food label that the pizza contains enriched flour. Which of the following nutrients are added back to the flo
victus00 [196]

Answer: Thiamine

Explanation:

Enrichment process can be defined as the process which is used to add nutrients to the food in order to restore the nutrients that was loss during the process of cooking.

In pizza making process, vitamin B1 is added to the flour to add more flavor and it helps in breakdown of carbohydrates into glucose which is used by the cells of the body.

So in the enrichment process Thiamine is added to the wheat flour.

8 0
3 years ago
Other questions:
  • If Luke pushes his sister in a wagon down the driveway that is 14 meters long and it takes 22 Newtons of force, how much work di
    5·1 answer
  • Which statement is true of a partial fingerprint? It must show at least a little of all ten fingers. Any print is sufficient for
    8·1 answer
  • What is the function of olfactory receptors
    14·2 answers
  • Why is information about a patient’s lifestyle and about possible environmental exposures important when investigating an outbre
    8·2 answers
  • In the classification of matter, how would we classify air?
    14·2 answers
  • The process of sediment being laid down is known as
    5·1 answer
  • Biology, I need help
    11·1 answer
  • What is the relationship between tissues and organs?
    8·1 answer
  • True/False: The law of conservation of energy applies to the cycle of photosynthesis and cellular respiration.
    12·1 answer
  • Question 13 of 25
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!