Absolute dating can be determined by which of the following. Select all that apply.

A. tree-ring patterns

B. Earth's magnetic field

C. a historian's journal

D. coral growth cycle

E. radioactivity

F. photo comparison

Which of these scenarios could be a direct cause of a disease becoming a pandemic? 1 - Patient sneezing on a doctor 2 - Sick family returning from a foreign country 3 - Mosquito in a field next to houses 4 - Sick child attending school

DNA is often referred to as a genetic blueprint. In the same way that blueprints contain the instructions for construction of a building, the DNA found inside the nuclei of cells contains the instructions for assembling a living organism.

Explain why highly active cells have large numbers of mitochondria

Which process of heat transfer makes milk boil? Condensation Convection Evaporation Radiation

Which type of neuron carries impulses from sense organs to the spinal cord or brain?

A ball, with a mass of 10 kg, is dropped from the top of a building, from a height of 20 meters. Explain what will happen to the potential energy if the 10 kg mass is replaced with a mass of 40 kg and the height of the drop remains constant.

Which of the following is a disadvantage of animal endoskeletons? a. Endoskeletons allow organisms to grow large in size. b. Endoskeletons don't need to be molted as an organism grows. c.

A species of cactus is adapted to a desert climate. Over a period of many years, the climate becomes wetter. How will the cactus population most likely be affected by this change? A It will grow as more water resources become available.

Who is the p m of india

Which is an example of commensalism in the tropical rainforest? a. parasites feed on the sloth's body. b. sloths are food for other animals. c. algae live in a sloth's fur, providing it with camouflage. d. insects lay eggs in the sloth's waste.