Sand this is because It takes thousands of years for a rock to turn into sand
Aspects such as genetic engineering have allowed for
engineering of transgenic organisms such as bacteria to produce bioproducts
such as insulin to addresses medical disorders
such as diabetes. Another is the innovation of whole-genome sequencing that allows researchers
to determine genetic predisposition of a particular person to particular diseases.
Community, habitat is in general and ecosystem is the whole place, not just the soil.
Answer:
D, think of chemical changes. When iron rusts it is chemically changed. The other answers are a change in form or a property of iron.
