Unlike reptiles young mammals depend on their parents for
a. food.
b. protection.
c. grooming.
d. all of the above

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )