Answer:
There is 3 because K2 is its own atom and it has 2 K2 and Co3 is its own and there's one
Explanation:
This is what I was taught
b)The population of tan mice will decrease.
c)The black mice and tan mice will compete for food resources.
d)The tan mice and brown mice will compete for food resources.
The availability of food resources for black and brown mice will decrease.
B. Backbone
C. Gills
D. Muscles
The shell
They use it to protect their muscles from predators and support soft tissues found on the inside.