1
I
3. A certain ion has an atomic number of 20, a mass number of 40, and 18 electrons.
...
Answers: 2
Another question on Biology
Biology, 22.06.2019 03:30
Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent
Answers: 1
Biology, 22.06.2019 05:30
Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.
Answers: 2
Biology, 22.06.2019 15:30
Northern switzerland has a fairly cold climate caused by sea winds from the atlantic ocean but souther switzerland tends to be much warmer and sunnier, what could cause this difference?
Answers: 1
Biology, 22.06.2019 16:00
Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems
Answers: 1
You know the right answer?
Questions
History, 15.04.2021 18:20
Mathematics, 15.04.2021 18:30
English, 15.04.2021 18:30
Mathematics, 15.04.2021 18:30
Arts, 15.04.2021 18:30
History, 15.04.2021 18:30
English, 15.04.2021 18:30
Social Studies, 15.04.2021 18:30
Mathematics, 15.04.2021 18:30
Social Studies, 15.04.2021 18:30
