How do plants and animals grow if no new matter is added to the system?

In a scientific expeiriment, how many independent variables should be tested at the same time

3 Which experiment would most likely contain experimental bias? A. A lab performs a test by giving bacterial colonies the same amount of different antibiotics and growing them under the same conditions. B.

What feature of the skeleton eventually allow a child to maintain balance while walking and running?

1-10 are True or False (This is Environmental Science not physics) 1). an oil rigs searches for and finds oil reservoirs. 2). The volume of oil in one barrel is equal to 42 gallons. 3).

Mother is blood type AB. Father is blood type O. What are the possible blood types of their offspring? (Use a scrap paper to draw a Punnet square to get your answer, IF you want)

When the double stranded DNA helix is unwound, two single strands of DNA are formed. These strands have to be stabilized because their hydrophobic bases are exposed to water. The proteins that stabilize the two single strands are called

Why do pueblos peoples most likely view Chaco canyon, a traditional anasazi site as a significant place?

Chloroplasts are found in what type of cells

What is the name of this process absorption of carbon from the atmosphere by living organism?

Which type of dating does the law of superposition represent A. Approximate dating B. Radiometric dating C. relative dating D. absolute dating I need it quickly