Determine the missing species:
a) 41ca+ ? → 41k
b) 15o → 15n+ ?
1. 0
−1
e and 1
0h
+
2. 0
+1e and 1
0h
+
3. 1
0h
+ and 0
+1e
4. 0
−1
e and 0
+1e
5. 1
0h
+ and 0
−1
e
6. 0
+1e and 0
−1
e
7. none of these

Which of the following electromagnetic waves can create ions?

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

The reactions of photosynthesis occur in the of plant cell? a. mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll