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Phantasy [73]
3 years ago
12

What type of tree has thin, waxy needles that drop throughout the year and help to retain water?

Chemistry
1 answer:
grin007 [14]3 years ago
4 0

Only coniferous trees have thin, waxy, needle-like leaves that drop throughout the year and help to retain water.

<h3>What are coniferous trees?</h3>

Coniferous trees are evergreen trees that produce cones.

In addition, they produce waxy and needle-like leaves that help them conserve water by limiting the evapotranspiration rate as a result of reduced surface area.

Examples of conifers include pine trees and spruces.

More on conifers can be found here: brainly.com/question/23222416

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A) ¿Cuáles son las partículas elementales que componen la materia, b) cuál es su ubicación, c) su carga eléctrica?
loris [4]

Las 3 partículas elementales son a) electrón, protón y neutrón. Se encuentran b) electrón en las órbitas electrónicas, el protón y el neutrón están en el núcleo. Sus cargas son c) electrón-negativo; protón-positivo; neutrón-sin carga. (Opción A).

Según el modelo atómico moderno, las partículas elementales que componen la materia son:

  • Electrón, se ubica en las órbitas electrónicas y tiene carga negativa.
  • Protón, se ubica en el núcleo y tiene carga positiva.
  • Neutrón, se ubica en el núcleo y no tiene carga

Las 3 partículas fundamentales son a) electrón, protón y neutrón. Se encuentran b) electrón en las órbitas electrónicas, el protón y el neutrón están en el núcleo. Sus cargas son c) electrón-negativo; protón-positivo; neutrón-sin carga. (Opción A).

Aprende mas: brainly.com/question/22693941

5 0
3 years ago
Do all mutations affect the STRUCTURE of proteins ? Do all mutations affect the FUNCTIONS of proteins??
finlep [7]

Answer:

1. No; only a small percentage of mutations cause genetic disorders—most have no impact on health or development.

2. No. For example, some mutations alter a gene's DNA sequence but do not change the function of the protein made by the gene.

Explanation:

7 0
3 years ago
What is the chemical formula for ammonium carbonate?
xenn [34]

(NH4),CO

(NH₄)₂ CO₃  

Explanation:

The chemical formula for ammonium carbonate is (NH4),CO

Ammonium carbonate is made up of:

  Ammonium ion

  Carbonate ion

Ammonium ion is represented by NH₄⁺

Carbonate ion is represented by CO₃²⁻

Now to write the formula, we are going to use their combining powers;

                   

                              NH₄⁺                     CO₃²⁻  

Combining

power                       1                             2

Exchange

of power                    2                            1

  Formula of compound              (NH₄)₂ CO₃  

learn more:

Chemical compound brainly.com/question/10585691

#learnwithBrainly

3 0
3 years ago
Whitney's lung capacity was measured as 3.3 l at a body temperature of 37 ∘c and a pressure of 746 mmhg . how many moles of oxyg
myrzilka [38]

the ideal gas equation is PV=nRT  
 where P=pressure  
 V=Volume  
 n=no. of moles  
 R=universal gas constant  
 T=temperature  
 The universal gas constant (R) is 0.0821 L*atm/mol*K    
 a pressure of 746 mmhg =0.98 atm= 1 atm (approx)   
 T=37 degrees Celsius =37+273=310 K (convert it to Kelvin by adding 273)    
 V=0.7 L (only getting oxygen, get 21% of 3.3L)    
 Solution:  
 (1 atm)(0.7 L)=n(0.0821 L*atm/mol*K)(310 K)  
 0.7 L*atm=n(25.451 L*atm/mol)  
 n=0.0275 mole   
 Answer:   
n=0.0275 mole of oxygen in the lungs.
4 0
3 years ago
When a substance is added to water, bubbles form. How can you confirm the type of change that took place?
weeeeeb [17]
A
BRAINLIEST PLZ ❤️❤️
4 0
3 years ago
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