![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
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
![question](/tpl/images/cats/biologiya.png)
Biology, 21.06.2019 23:30
Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 06:30
Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 07:00
Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.
Answers: 1
You know the right answer?
Where are the sides of a DNA molecule made of...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fr.png)
French, 14.11.2019 04:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.11.2019 04:31
![question](/tpl/images/cats/mat.png)
Mathematics, 14.11.2019 04:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 14.11.2019 04:31
![question](/tpl/images/cats/mat.png)
Mathematics, 14.11.2019 04:31
![question](/tpl/images/cats/istoriya.png)
History, 14.11.2019 04:31
![question](/tpl/images/cats/en.png)
English, 14.11.2019 04:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 14.11.2019 04:31
![question](/tpl/images/cats/biologiya.png)
Biology, 14.11.2019 04:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 14.11.2019 04:31
![question](/tpl/images/cats/istoriya.png)
History, 14.11.2019 04:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
Spanish, 14.11.2019 04:31
![question](/tpl/images/cats/en.png)