Ineed this answered asap

this fossil shows tunnels left after animals burrowed through the sediment. which statement best describes this fossil?

1. it is mold because it shows empty spaces in the organisms' shapes.

2. it is a cast because it shows empty spaces in the organisms' shapes.

3. it is a trace because it shows evidence of animal activity.

4. it is an imprint because it shows evidence of animal activity.

In order to clone adult animals, scientists typically begin with a(n)

Which type of neuroglia is found outside of the brain?

Osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? view available hint(s)osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? the first law of thermodynamicsthe difference in the height of water columns on either side of a selectively permeable membranethe difference in water concentration across a selectively permeable membranethe difference in sugar or ion concentration across a selectively permeable membrane