Which of the following is a muscle that helps to bring air into a mammal’s lungs?
a.
diaphra...
Answers: 3
Biology, 21.06.2019 19:40
Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation
Answers: 1
Biology, 22.06.2019 08:50
Blood stem cells may develop into any kind of human blood cells. what kind of stem cells are blood stem cells? a. multipotent stem cells o b. totipotent stem cells o c. pluripotent stem cells o d. unipotent stem cells
Answers: 1
Biology, 22.06.2019 11:00
What factors contribute to the effect an environmental toxin has on the human body?
Answers: 3
Social Studies, 28.11.2020 01:10
Mathematics, 28.11.2020 01:10
Mathematics, 28.11.2020 01:10
Mathematics, 28.11.2020 01:10
Biology, 28.11.2020 01:10