Q: Q: What external feature in human beings is responsible for balance? A:

OPTIONS:
- tails
- brain
- hands
- ears

A: ears

input: OPTIONS:
- electric signals
- sight signals
- fertilizer signals
- chemical signals Now, answer this question: Q: The coordinated activities of the legume and the rhizobium bacteria depend on what between the partners? A:
A:
output: chemical signals

Q: What system disorders include kidney stones, kidney failure, and urinary tract infections? A:

OPTIONS:
- nervous system
- digestive system
- renal system
- urinary system

Answer: urinary system

Problem: OPTIONS:
- Black Cell
- blocky cell
- skaht cell
- voltaic cell
Q: Q: Technically, any redox reaction can be set up to make a what? A:
Answer: voltaic cell

Problem:OPTIONS:
- artificial systems
- information systems
- maturation systems
- organ systems

Q: Vertebrates have tissues which are organized into organs which in turn are organized into what? A:
****
A: organ systems

Problem:OPTIONS:
- lipids
- hydrocarbons
- proteins
- carbohydrates

Q: What is the most common type of organic compound? A:
****
A:
carbohydrates