1. What is proper "posture" (way of standing) to ensure good singing technique?

A: Slouching, shoulders forward

B: Standing straight up, armd by your side

C: Leaning to one side

D: Sitting, with a curved spine

How can a whole organism be preserved

A scientist is observing elephants in Asia. He notices that a specific species of moth lands on the faces of the elephants. On closer observation, he sees that the moths irritate the eyes of the elephants and then drink the tears that emerge.

How many chromosomes are in a skin cell if a stomach cell has 40 chromosomes?

Which organisms are tertiary consumers? Check all that apply.

Measurement of physiological arousal in breathing rate, hear rate, and blood pressure (which can mark emotional response) is also used in what modern application?

Which process return carbon to the atmosphere?

Which behavior was most likely inherited rather than learned? A. a student writing his name on a piece of paper B. a dog begging for food at the dinner table C. a chimpanzee using a stick as a digging tool D, a camel seeking shelter from the hot sun

Which soil would you expect to be better developed the soil on a hillside or on a valley floor

Most cells of the human body directly receive a variety of endocrine secretions through the activity of which system Select one: a. reproductive system b. digestive system c. circulatory system d. nervous system

Identify which questions can be answered through science and which cannot.