Tall tomoato plants are produced by TT and dwarf plants by its recessive allele tt. Hairy stems are produced by a dominant gene HH and hairless stems by its recessive allele hh. A heterozygous tall, hairy plant is crossed with a dwarf hairlwss tomato plant

Which law represents a balanced chemical equation?

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

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?