////////////No///////////
Answer:
H. Immue and digestive
Explanation:
The immune system fights pathogens protects us from them, the digestive system destroys pathogens that may be in our stomach or intestines.
Answer:
True
Explanation:
According to the law of conservation of mass, mass can not be created nor destroyed.
The implication of this is that the total mass on both sides of the reaction equation must be the same.
Thus, the number of atoms of each element on both sides of the reaction arrow must be the same.
Mobile switching station
The mobile switching station is
the most important part of any cellular network. It is associated with communications
functions such as call set-up, release, and routing, locating cellular devices,
assigning frequencies and transmitting signals to the correct sites. It also provides
useful information such as user registration required to support mobile service
subscribers.
