A body of rock would most likely exhibit brittle behavior under the condition of LOW TEMPERATURE.
At low temperature, the water in the crevices of the rock will freeze up, the freezing up of this water causes fractures in the rocks and as time goes on the rocks become brittle and parts of it will start falling away.<span />
The answer is to your question my friend is D.
Cortex is the stores the food and water for roots
<span>behavioral teratogens.
Behavioral teratogens tend to harm the prenatal brain, affecting the future child's intellectual and emotional function. Behavioral teratogens can include: Viruses, drugs, chemicals, environmental stressors, and malnutrition.</span>