Answer:
D. all of the above
Explanation:
It will help him be sure of the product
Valleys waterfalls floodplains meanders and ovbow lakes are 5 features
Light skin jshsjdkdkdddkkdkdndnnd
Uhm to be honest..
All types of exercise ask for oxygen to produce energy... so this is a bit confusing but it would be easier with answer choices:/
anyways have a good one:)