Hydrophones scientists listen to and record sounds from the ocean. which statement best describes how ocean water affects sound waves?
cold water increases the speed of sound.
warm water decreases the speed of sound.
low water pressure increases the speed of sound.
high water pressure increases the speed of sound.
Answers: 2
Biology, 22.06.2019 02:00
What is an endocrine function? (apex) a.esophageal glands release mucus into the esophagus b.salivary glands release saliva into mouth c.swear glands release sweat to the skin d.the pineal gland releases melatonin into the bloodstream
Answers: 1
Biology, 22.06.2019 07:20
What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures
Answers: 2
Biology, 22.06.2019 09:40
80 points pls brainliest 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
Hydrophones scientists listen to and record sounds from the ocean. which statement best describes h...
English, 22.03.2021 15:10
English, 22.03.2021 15:10
English, 22.03.2021 15:10
Arts, 22.03.2021 15:10
English, 22.03.2021 15:10
English, 22.03.2021 15:10
Social Studies, 22.03.2021 15:10
Biology, 22.03.2021 15:10
History, 22.03.2021 15:10
Social Studies, 22.03.2021 15:10
Biology, 22.03.2021 15:10
Chemistry, 22.03.2021 15:10
Mathematics, 22.03.2021 15:10
English, 22.03.2021 15:10