1) oxygen. 2) bone size 3) inner core, outer core 4) 10
You can let an adult know?
Reduce the amount of vegetables or eat raw nuts
not sure but has to be one of those
Explanation:
The statement is probably false knowing that there is a notion of " atrophy" that probably originates from " trophy- trophic" and that if we consider a trophic chain abolished then the biocenoses just adapts before disapearing. If the adaptive process is not compatible to the remaining coordinates then some species would probably have to be protected
The heart rate is different while dancing, studying and riding a bike because the amount of blood needed for each activity is different. Blood pumps as fast as it as needed by the cells, which is why riding a bike has fast heart rate while studying has a regular heart rate.