Answer:
d. Digital rectal examination and PSA testing have been proven ineffective.
Explanation:
The prostate is a small gland in the male reproductive system and is usually the shape and size of a walnut. Current methods to determine if a prostate has become cancerous include a physical exam (known as a digital rectal exam or DRE), magnetic resonance imaging, a biopsy, or tests to determine prostate-specific chemical antigen (PSA) levels in the blood.
Prostate cancer is considered a cancer of the elderly, since most cases are registered in men over 60 years. The most effective techniques for screening for this cancer are annual screening exams - which include the blood-drawn PSA test and digital rectal touch - are recommended for all men aged 50 and over.
Answer:
It will overpopulate and harm
Explanation: without a predator the frog will most likely hurt the native animals and plants which isn’t good for the environment.
Answer:
Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.
Please give me brainliest
Ostrich eggshell is composed of 96% crystalline calcite and 4% organic material, mostly proteins. The thickness is made up of three different layers that vary in structure and thickness. The hardness of the shell is 3 on the Mohs scale. Pretty solid!
The second statement is correct.