× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
A
6
j
6
c
5
m
5
C
5
d
5
s
5
n
4
i
4
d
4
d
4
J
4
New Topic  
Omarlate Omarlate
wrote...
Posts: 500
Rep: 0 0
6 years ago
One difficulty with the process of using hydrogen as a power source is that it ________.
 
  A) requires a substantial energy investment to begin the process
  B) is toxic to humans and wildlife
  C) requires a fuel that is a nonrenewable resource
  D) is less efficient than fossil fuels
  E) has highly volatile and explosive components
Read 32 times
2 Replies

Related Topics

Replies
wrote...
6 years ago
A
Omarlate Author
wrote...
6 years ago
Study Force is my secret getaway
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  659 People Browsing
 113 Signed Up Today
Related Images
  
 239
  
 298
  
 222
Your Opinion
What's your favorite funny biology word?
Votes: 335