What are two things that cause ocean waves?

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit

People with one sickle cell allele are not likely to get malaria. what is this an example of?