They are considered a reliable source
Answer:
what's the the question dear please tell then we can give u correct answer and please check my questions please answer them too
tell in comments
An index page is alphabetical title, topics or subjects (that are shown at the end of the book) are page references on which pages contain that title or subject ex. Dragon pg. 22
A glossary page is alphabetical titles, terms (words) that are shown at the end of the book which words include definitions. ex. Dragon- is a mythical monster around the European era
Answer:heyy
Explanation:
hey bro,whatssap its been a long time since we talked, I have some news to tell you.
do you remember that school that I told you about it, well I got accepted yesterday was my first day it was amazing, I met a lot of new friends and the teachers there are the best even the food is amazing.so when you fist enter they need to scan your school id so they can know that you're in this school there is like a jungle inside. the entrenss its full with plants and animals and you can see the sky if you look up.
the it was time to go to class the classes are so modern on your table you have you name written with laptop and a tablet and also a charger station and next to the table each student has his own fridge there is food inside and you can put your food or drinks inside as well.
and a bunch of hand sanitizer and cleaning stuff plus you have extra mask if you lost yours. Its way better than expected and i have bunch of things to tell you call me when you can.peace bro love you
Limestone
Limestone is easily broken down by the carbonic acid found in ground water
Warm/Humid
Chemical weathering is most active in warm and humid climates
Valleys
Limestone regions tend to be valleys because of the chemical weathering of the rock by ground water
Oxidation
The process by which oxygen reacts with iron minerals in rock to form rust is called oxidation
Chemical weathering
Process by which rock minerals are change by natural processes into the new substance is known as chemical weathering
Climate/rock type
The rate of weathering in a region is a term in mostly by climate and rock type
Weak Acid
Ground water is a weak acid known as carbonic acid, which will chemically alter the minerals in certain types of rock
Week acid/chemically
Caverns and sinkholes are for one week acid and groundwater react slowly with limestone causing it to change chemically