sedimentary rocks provide geologists with information necessary to study the history of earth.
This is true
It has happened before and was one of the factors that influenced the current position of the continents. It will surely happen again if one day an ice age happens.
Answer:
The answer is A.
Explanation:
Permeable means allowing liquids or gases to pass through.
So porous rock is known as <u>P</u><u>e</u><u>r</u><u>m</u><u>e</u><u>a</u><u>b</u><u>l</u><u>e</u><u> </u><u>R</u><u>o</u><u>c</u><u>k</u><u>s</u> .
Answer:
It is 42° higher for the observer at 12° north because of the differ- ence in latitude.
Explanation:
The sun's altitude can be given by the following formula:

In which S is the sun's altitude, L is the latitude of the place and D is the declination of the sun.
Since the comparasion occurs at the same day, the value of D will be the same for both cases, so it can be disconsidered in our calculation.
First observer


Second observer:


The correct answer is:
It is 42° higher for the observer at 12° north because of the differ- ence in latitude.
The Israelites were made slaves in Egypt.