A chlorine atom has 17 protons 17 neutrons and 18 electrons. What is this atom's electric charge?

In which state of matter are particles most distant from one another

Plants have (blank) cells that contain the DNA that decides how they take shape and function Options Elongated Meristem Parenchyma

What are the two major sources of atmospheric carbon?

Who is responsible for the greatest change in the biosphere? a. producers b. herbivores c. carnivores d. omnivores

State two safety procedures that should be follwed when conducting an experiment that involves heating

The small blood vessels that deliver blood to and pick blood up from tissues are

What is the role of phospholipids and proteins in controlling the passage of substances across the cell surface membrane, making reference to its partially permeable nature.

Which statement represent an abiotic environmental factor in an ecosystem? *The flower bud every spring. *The fish swim up the river to reproduce. *The fox eats meats in the meadow. The lake bottom is lined with rocks,

Which of these has NOT provided evidence showing that the continents have drifted over time? O A) rocks OB) fossils OC) earthquakes OD) geologic structures

All organic molecules contain the element carbon.