Karsten is researching a recent, controversial scientific issue. Which of these sources is a reliable source for Karsten to use for unbiased scientific information? Group of answer choices.
1.) a scientific journal with peer-reviewed articles
2.) an informative pamphlet mailed to your home by a politician or lobby group
3.) a personal website or blog
4.) an encyclopedia article in a respected, older encyclopedia

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays

Me 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?

Explain the significance of meiosis in sexual reproduction