Which of the following statements best explains how elements can be distinguished from molecules and compounds?
a. elements can be classified as organic or inorganic.
b. elements are made up of one kind of atom.
c. elements can be broken down further into simpler substances.
d. elements are composed of different kinds of atoms.
Answers: 1
Biology, 22.06.2019 00:00
Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other
Answers: 2
Biology, 22.06.2019 05:50
The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
Answers: 2
Biology, 22.06.2019 14:00
What is one reason why transpiration is important in plants? question 19 options: it produces food from the sugar in the plant cells. it enables the flow of water out of the plant. it produces carbon dioxide in the leaves of the plant.
Answers: 1
Which of the following statements best explains how elements can be distinguished from molecules and...
History, 30.08.2019 19:40
English, 30.08.2019 19:40
Social Studies, 30.08.2019 19:40
Chemistry, 30.08.2019 19:40
Business, 30.08.2019 19:40
Mathematics, 30.08.2019 19:40
History, 30.08.2019 19:40
Mathematics, 30.08.2019 19:40
Mathematics, 30.08.2019 19:40
Social Studies, 30.08.2019 19:40