Which TWO descriptions are examples of mechanical energy?

1. a bird flying in the air

2. a tiger ready to pounce on its prey

3. a child chewing food

4. a girl sitting on a motionless swing

5. a log of wood on a riverbank

Why is the human heart not considered to be a living thing

After an enzyme catalyzed reaction has been completed the products are released and the

Down syndrome, the most common genetic condition in the United States, is also called trisomy 21. What does this mean?

What is the role of each of the following in the carbon cycle? Include an example of each. a) Producer b) Primary consumer c) Decomposer

Why is feedback inhibition important to the human endocrine system?

One of mrs. morgan's fractures is described as being located on the proximal diaphysis. which of these phrases best describes the anatomical location of this fracture?

Consider this scientific name: Homo Sapiens. What is wrong with the way it is currently written? Group of answer choices Genus name should be lowercase Genus and species names should both be lowercase Name should not be italicized Species name

Which process makes it possible for the major organs of the body to be formed by week 10 of human development

In the water cycle, animals return water to the environment by

You observe 4 cell samples under a microscope. Identify which one belongs to a plant. A. Sample 2 has mitochondria and chloroplasts, a cell wall and a large vacuole. B. Sample 3 has mitochondria and a nucleus but no cell wall. C.