Arrange the rock layers from oldest to youngest. Reexamine the rock outcrops if you need to. Record the order in the
Student Guide
TOOLS
youngest
Basalt
Limestone with
unknown fossil
Age
Sandstone with
trilobite
Shale with
ammonite
oldest
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What are the steps of how energy is transformed in plant cells?

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?