Answers: 1
Biology, 21.06.2019 18:30
This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is
Answers: 3
Biology, 22.06.2019 02:00
The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.
Answers: 2
Biology, 22.06.2019 09:30
Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from
Answers: 1
Biology, 22.06.2019 10:10
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?
Answers: 1
What do you observe as you push up the balloon...
Mathematics, 20.04.2021 18:40
Social Studies, 20.04.2021 18:40
Mathematics, 20.04.2021 18:40
Mathematics, 20.04.2021 18:40
Computers and Technology, 20.04.2021 18:40
Chemistry, 20.04.2021 18:40
Mathematics, 20.04.2021 18:40
Mathematics, 20.04.2021 18:40