What type of information do scientist use to determine the approximate age of the earth?

water

layers of rock

fossils

atmospheric pressure

What are the forces that struggle in the plot of a story? the external and internal conflict the good guy and the bad guy the diction and the theme the protagonist and antagonist

Predict which one of the following organisms will have the highest percentage of unsaturated fatty acid chains in their membranes: Group of answer choices thermophilic bacteria desert iguana humans antarctic fish

What is high sugar in the blood?

Which of the following is a destructive wave created by underwater earthquake activity? Faults Hotspot Mid-ocean ridge Tsunami

Three billion years ago, Earth's atmosphere was very different. It included the gases methane and ammonia.

What is a type of research that involves observation and collecting data but does not include control

Forms of the Ras protein found in tumors usually cause which of the following? A) DNA replication to stop B) DNA replication to be hyperactive C) cell-to-cell adhesion to be nonfunctional D) cell division to cease E) growth factor signaling to be

Which property of nervous tissue is fundamental to its function of coordinating the body's activities? O cells that are tightly packed contains extracellular matrix presence of neurons short life span

Polydactylism is a dominant trait that results in extra fingers and toes in humans. A polydactyl man marries a woman with 10 fingers and toes. They have a child that has a normal number of digits.

Why are some sediments smaller than others