The periodic table . is arranged by atomic mass
was developed by early alchemists
is arranged by number of protons
is divided into vertical periods and horizontal groups

The eruption of a nearby volcano causes a prairie ecosystem to receive a lot less sunlight.which of these is the most likely effect on the ecosystem? a-an increase in biodiversity. b-an increase in immigration to the area. c-a decrease in available water. d-a decrease in plant growth.

Works together in the synthesis, modification, packaging, and transport of lipids and proteins

Which of the following is a common response to cell signaling?