Areaction to a change is called a
surrounding

response

development

characteristic

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give