ASAP
The table below shows the depths at which an index fossil and three other fossils were found.

Fossil Data
Fossil Depth (meters)
A 294
B 365
C 375
Index fossil 460

Which statement is correct?
Fossil B is older than the index fossil.
The index fossil is younger than Fossil C.
Fossil A is younger than the index fossil.
The index fossil is the same age as Fossil C.

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

When determining the shape of a molecule, it is important to draw a lewis dot structure first in order to see the total number a. electrons within the moleculeb. bonding and unshared pairs around central atomc. unshared pair within the molecule( i really need it )

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change