1 and 2 are correct
Genes for the trait are present in both genders
Growing a beard in males is a sex limited trait
Explanation
The traits CAN be expressed physically
Anyone can have green eyes regardless of gender
Answer:
Chemical Bond (False)
Explanation:
A mutual electrical attraction between the nuclei and valence electrons of different atoms that binds the atoms together
Answer:
The most accurate way to determine an object's volume, especially in the case of an irregularly shaped object, is to immerse it in water and measure the amount of water it displaces. A graduated cylinder large enough to hold both the object and enough water to fully immerse it is the best tool for this job.
Explanation:
(a) Dry ice is solid carbon dioxide and its chemical formula is solid
.
(b) Sodium chloride is commonly known as salt in daily life. Hence, chemical formula of salt is NaCl.
(c) Laughing gas is also known as dinitrogen monoxide. Hence, its chemical formula is
.
(d) Marble (chalk limestone) is chemically known as calcium carbonate. Hence, its chemical formula is
.
(e) Baking soda is chemically known as sodium bicarbonate. Hence, its chemical formula is
.
(f) Ammonia has a chemical formula as
.
(g) Water has a chemical formula as
.
(h) Milk of magnesia is a base and it is chemically known as magnesium hydroxide. Its chemical formula is
.
(i) Epsom salt is most often found as heptahydrate of sulfate mineral epsomite. Its chemical formula is usually
. If not present as a heptahydrate then its chemical formula is
where, value of x can be equal to 0 to 7.