The series explores strategies to sustainably feed more than 9 billion people by 2050. All pieces are based on research being conducted for the 2013-2014 World Resources Report. The world is projected to hold a whopping 9.6 billion people by 2050.
Answer:
<h2 /><h2>
Both amphibians and reptiles...</h2>
A. have lungs
B. have gills
C. breath only through their skin
D. have amniotic egg
<h3>
For me, my answer is letter B. have gills....Hope it helps</h3>
Explanation:
<h2>
Please don't delete my answer :(</h2>
<h2>
#Princesses Rule</h2>
Explanation:
everything can be found in the picture
Answer:
true
Explanation:
Cerebrospinal fluids is a colorless fluid that is secreted in the choroid plexus,and circulates in the ventricles system and sub -aranchinoid space of the brain and spinal cord. its provides nutrients to the surrounding neurons, cushions the effects of trauma, pressure, acts as buffer and provides protection through immune system .
it plays a vital role in regulating blood flow, through a process called cerebral auto regulation,This is needed to maintain efficient cerebral blood flow of oxygen and other metabolites, and withdraw of metabolic wastes from the brain.
in order to analyze it to diagnose some neurological diseases its sample is usually taken out in a process called lumbar puncture.
