Astroke patient can understand you when you give him a written or verbal command, but cannot speak clearly to you in response. what area of the brain is damaged?

Left side of brain

Explanation:

Stroke is an injury caused to brain. As brain is the main part of the body, it controls everything; communicating, eating, walking etc. Stroke can cause damage to communications if the left part of the brain is damaged, as this side is associated with communication and language. That is why the person with stroke does not speak clearly in response.

the dark variety, as they are not visible on the dark tree barks

explanation:

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.