The type of weathering is mechanical and the process is abrasion
I’m pretty sure it’s C but try googling it
The hormone described above is the hormone Melatonin.
Melatonin is a hormone secreted by the pineal gland in the brain, which helps regulate other hormones and maintains the body's circadian rhythm. This rhythm is an internal 24 hour clock that plays a critical role when we fall asleep and when awake. When it is dark the body releases more melatonin.
Answer: C
Explanation: All organisms someway somehow must compete for essential resources.
