I believe the answer is the nucleus
Answer: the answer to this is D because these rays can show you where the fire is located even if it is enveloped in a cloud of gray and black smoke that prevents you from seeing it.
Explanation:
The environmental factors leading to injuries are often associated with other environmental health risks. For example, home and school construction and furnishing materials can lead to unintentional injuries, and poisoning may result from exposure to chemicals unsafely used or stored.
Answer:
Here's what I get
Explanation:
From your bladder, the pathway of exit to the outside is through the urethra.
The diameter of the female urethra is about 6 mm. The male urethra is usually a bit larger.
Kidney stones can vary in size from 0.1 mm to over 40 mm in size.
Stones less than about 6 mm in size can usually pass through the urethra on their own with little or no pain.
Larger stones can be excruciatingly painful. The urethra cannot expand enough for them to pass through. Such stones usually need medical treatment to be removed.