19. Changing nitrogen gas into a more reactive form (so organisms can
use it) is called:
A. D...
Answers: 2
Biology, 21.06.2019 21:30
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.
Answers: 1
Biology, 22.06.2019 07:30
Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
Answers: 3
Biology, 22.06.2019 13:00
Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.
Answers: 3
Biology, 22.06.2019 18:30
Fungi exist as single cells or as branching networks of multicellular filaments. how does the structure of filaments relate to their function
Answers: 2
Physics, 09.08.2019 04:20
Physics, 09.08.2019 04:20
Mathematics, 09.08.2019 04:20
Mathematics, 09.08.2019 04:20
Mathematics, 09.08.2019 04:20
Mathematics, 09.08.2019 04:20
History, 09.08.2019 04:20
Mathematics, 09.08.2019 04:20