1. C- abiotic factors are non living
2. C?- oxygen is the only one which is an input of photosynthesis
Crusts and uppermost mantle
D. 1,200
This is because if it takes 1 and a half hours **1.5** to travel through city a and city b , and the plane goes 800km per hour and 400km is half of that it then the answer has to be d.
Well, cray fish are omnivorous which means they eat animals too. Secondary consumers eat animals.
Cray fish are secondary consumers.
What is this animal and i can answer it