Answer:
They show the elements that make up a compound
Explanation:
Compound consist of molecules that are identical, this molecules are made up of atoms of two or more elements.
An element is identified based on the atomic property of the element.
Water as a compound is composed of 2 Hydrogen atom to 1 oxygen atom and the molecule is H2O.
Water is composed of molecules hence, they are called molecular compound.
Chemical equation of water is showing elements that it is made up of is
H+ + OH- --- H2O .
What are The answer choices?
Answer:
A. A segment of DNA molecule
Explanation:
(a sequence of bases) that codes for a particular protein and determines the traits (phenotype) of the individual. A gene is the basic unit of heredity in a living organism.
Answer: animals exhale carbon dioxide.
Explanation:
The stomata of many cacti lie deep in the plants' tissues. This adaptation helps cacti reduce water loss by keeping the hot, dry wind from blowing directly across the stomata. The leaves and stems of many desert plants have a thick, waxy covering.
C) thick waxy cuticle.