Answer:
d. cells are made of atoms and molecules. :)
Explanation:
hope i helped
 
        
                    
             
        
        
        
All organisms need water, vitamins, minerals, and salt together to balance things out.
        
             
        
        
        
Answer:
230hz
Explanation:
Hello,
To solve this question, we gave to use the relationship between velocity-frequency-wavelength to find the frequency in this question. 
V = Fλ
V = velocity or speed of the wave
F = frequency of the wave
λ = wavelength of the wave
Data;
V = 414m/s 
λ = 1.8m
f = ?
V = fλ
f = v/λ
f = 414/1.8
f = 230hz
The frequency of the wave is 230hz
 
        
             
        
        
        
Answer:
The first option: Strontium Fluorate. 
Explanation:
because Fluorine and oxygen combines to make fluorate, Strontium stays the same.
p.s: i need help in geo and there's an exam tomorrow.
 
        
             
        
        
        
Answer:
picture not bright
Explanation:
please a brainliest for tge feedback