Answer:
A and C are both long term challenges, I'm pretty sure it's A.
Explanation:
Personal experience, I have arthritis and it's a long term challenge.
Answer:
Ignition sources
Explanation:
Lightning
Smoking
Electrical and mechanical sparks
I’m thinking the first two options
Answer:
superficial vein
The blood sample that is required for testing purposes is collected from the superficial vein of the hand.
Answer:
There are two atria in the human heart.
