Why is the concrete cycle not a true cycle like the rock cycle

An individual has type AB blood. His father has type A blood and his mother has type B blood. What is the individuals phenotype an example of? A. simple dominant heredity B. simple recessive heredity C. codominance D. incomplete dominanace

Which of the following is true about living species and extinct species?

What similarity do all the accusative singulars of all three declensions share?

Describe how physical and chemical changes may be affected by temperature

Which came first the egg or the hen

In a ecological pyramid, what happens to energy, biomass and number of species as you move up? Why?

Experiment: Water Properties: Why were the results with just water so much different than the trials with the detergent?

How do fish nets effect the ocean's ecosystem?

A dog and a pig attempt to mate. we are aware that these are two different animal species. but what is the best explanation for the barrier that makes it impossible for them to successfully mate?

How do fossils and fossil record support the idea that life changes over time