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Rickettsias are extremely small and were once thought to be viruses. why are they now considered bacteria?

The type of relationship described could best be classified as one of

What is the function of the small intestine? Absorbs nutrients from food Absorbs saliva from food Moves food to pancreas Moves food to stomach

About how many years ago do scientists suggest that the earth cooled enough for water vapor to condense. A) 20 millions years B) 4.6 billion years C) 4.4 billion years D) 5.5 billion years

What are the side effects of lactose intolerance

Characteristics that allow neurons to communicate with other body cells include:a) Relaying motor impulses from the cortex to the thalamus. b) Stimulation of "association areas" to analyze information received.

What intensity level of aerobic exercise is considered moderate for older adults?

Anything that is built or created in an organized manner

Adults do not need foods from the dairy group, only growing children and athletes do.

Which conditions lead to a slower rate of weathering? Select two options. 1. porous rocks 2. cold climates 3. hard minerals 4. high temperatures 5. low moisture levels