12. by the 1990s, scholars estimate that about what percent of all combat-related deaths are civilians rather than soldiers?
a.
10
b.
25
c.
50
d.
90

13. experts say that it is not really important to understand what causes terrorism; we just need to stop it.
a.
true
b.
false

14. which perspective argues that wars happen when a country or group of people feel that the benefits will outweigh the cost of not going to war?
a.
nature of human nature
b.
trade-off analysis
c.
relations among states
d.
youth bulge

class- current affairs

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

20 point pls brianliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?

Why are some places regularly warmer or cooler than others in a given month