Answer:
stratigraphy
Explanation:
Stratigraphy is regarded as the oldest method or technique used in dating, but archaeologists still use this technique till the present day. This technique of dating is usually based on the principle of superposition, which is likened to making a layer cake; the lowest layers of the cake must be made before the upper layers. This is how stratigraphy works.
Divide num. of correct by num. in total. 108/135=0.8=80%.
Answer:
Reference sources such as dictionaries, encyclopedias, almanacs, atlases, etc. are research tools that can help you with your paper or project. ... Reference sources are designed to be consulted rather than read through. Reference materials can be arranged alphabetically, topically, or chronologically
Explanation:
I believe the answer is: Screen lock
Screen lock in smart phones consisted of passwords that usually utilize combinations of numbers or pattern, which prevent non-owners to access the phone without the owner's consent
Failing to give correct input for the passwords for several time would cause most phones to be permanently locked.
He was an African American Civil rights activist, a historian, and teacher whose main focus was racial discrimination and inequalities within the US. (he also attempted to issue world peace throughout the first half of the 20th century)
