Develop a Hypothesis there are 4 major subsystems in Earth which are lithosphere, hydrosphere, biosphere, and atmosphere. Why do we need these spheres and why are they so important?

Read the prompt/question and take notes.

Figure out what you want to find out after reading this paragraph.

Develop a hypothesis.

How to develop a hypothesis?

sentence structure: If, then .

OR

sentence structure: If, then because .

What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds

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?

Which is the best example of plant tissue? the answer is d (just took the test)