A. objects made of crystals minerals water and air
Process of elimination-
there isn’t organic matter in rocks so D is out
they are made of minerals so B is out
some types of rock (pumice) have air bubbles in them so A is more likely than C
Answer:
The cell cycle is controlled at three checkpoints. The integrity of the DNA is assessed at the G1 checkpoint. Proper chromosome duplication is assessed at the G2 checkpoint. Attachment of each kinetochore to a spindle fiber is assessed at the M checkpoint.
Explanation:
good luck
please mark me as a brainliest
Answer: ok
Explanation: bec im bored
Crop yeild has increased because since the crops are genetically modified this will benefit us.because we can add anything to these crops that will make us stay healthy which is why a lot of people will buy them
Defining a living thing is a difficult proposition, as is defining “life”—that property possessed by living things. However, a living thing possesses certain properties that help define what life is.a living thing is composed of one or more cells. These units, generally too small to be seen with the naked eye, are organized into tissues.
