Answer:
The three elements that make up over 99 percent of organic molecules are carbon, hydrogen and oxygen.
Explanation:
The cell cycle, or cell-division cycle, is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells.
Answer:
she should arrange them away from lab materials. She could put them to the side or under the table
Explanation:
Answer:
Earth can be divided into three main layers: the core, the mantle and the crust. Each of these layers can be further divided into two parts: the inner and outer core, the upper and lower mantle and the continental and oceanic crust. Both the inner and outer core are made up of mostly iron and a little bit of nickel.
Explanation: