What lead the Alvarez team to suspect that the asteroid impact crater they were looking for
existed under the sea?
O Analysis of the iridium layers around the globe revealed
salt content.
O They had not found an eligible crater on land, and Earth
is mostly covered by water.
O Analysis of craters on land revealed shock-fractured
quartz
O They found iridium in bedrock that was once under the
sea, and they could measure it.

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water