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
miv72 [106K]
3 years ago
12

Animals and humans obtain the energy they need from what?

Chemistry
1 answer:
zhannawk [14.2K]3 years ago
3 0

Answer:

A. Food

Explanation:

Water alone does not give energy, Carbon Dioxide cannot be consumed healthily, and photosynthesis is for plants.

You might be interested in
All BUT one factor contributes to natural selection. That factor is
Juli2301 [7.4K]
<span>the one that is not a factor that contribute to natural selection is : Population stability population refer to the capability of a community to maintain its total amount of organisms within a specific period of time. This has nothing to do with natural selection, which basically a nature's way to reduce the number of organism to findout which organisms are more adaptive</span>
7 0
3 years ago
Read 2 more answers
3 elements that have similar properties
qwelly [4]

Answer:The elements in the first column of the Periodic Table (other than hydrogen) are known as Group 1A metals, or alkali metals. When you compare the chemical properties of these elements (lithium, sodium, potassium, rubidium, cesium, and francium), what you'll notice is that they are all remarkably similar.

Explanation:

4 0
3 years ago
Tyrosine absorbs maximally at 290 nm. A 0.2162 g sample containing some amount of Tyrosine was placed into a 250.0 mL volumetric
mojhsa [17]

Answer:

B. 0.069 %

Explanation:

It should be initially noted in this answer in particular that, the amino acids tryptophan and tyrosine have a very precise 280 nm absorption rate, which allows a direct A280 size of protein concentration. The 280 nm UV absorbance rate is regularly utilized to approximate protein concentration in laboratories due to its simplistic nature, its affordability and also the ease of usage.

kindly check the attached image below for the solution to the above question.

7 0
3 years ago
How many electrons are in the highest occupied energy level of these atoms?
Yuliya22 [10]
Excuse me not giving an explanation; I haven't even learned chemistry before. I usually give explanations for math/english.

I think it would be for flourine: 7
aluminum: 8
can't help with the rest...
sorry!
8 0
3 years ago
QUICK! WILL MARK BRAINLIEST
nalin [4]

Answer:

Ability to be bent = Malleability

Identity = Physical Change

Electrical Current = Conductivity

Dissolve = Solubility

Color, Phase, or Hardness = Physical Property

5 0
3 years ago
Other questions:
  • A student made the following diagram to represent cellular respiration.
    12·2 answers
  • The colour imparted to a flame by calcium ion?
    14·1 answer
  • If i add water to 100 mL of a 0.15M NaOH solution until the final volume 150mL , what will the molarity of the diluted solution
    15·1 answer
  • A 0.8115 g sample of HCl was placed into a 50 mL volumetric flask and the sample was thoroughly dissolved in water to make 50 mL
    15·1 answer
  • Two elements that become bonded together after a chemical reaction are known as a
    6·1 answer
  • How many grams of NH3 can be prepared from 77.3 grams of N2 and 24.2 grams of H2?
    5·1 answer
  • 2 NABr + Ca(OH)2 = CaBr2 + 2 NaOH How many moles of CaB 2 are produced, if 14.72 moles of NaBr and excess Ca(OH) 2 react?
    11·1 answer
  • What is a diffusion, suspension, and colloid?
    11·1 answer
  • Um Is it in third period and has three electrons in its highest P orbitals
    15·1 answer
  • If 23.5 g of ammonia (NH3) is dissolved in 1.0 L of solution, what is the molarity?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!