1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Zarrin [17]
3 years ago
10

What is the difference between arbitrary and natural levels? Why do these matter? (4) how do archaeologists recover the smallest

artifacts and ecofacts?
Biology
1 answer:
Vlada [557]3 years ago
5 0

Arbitrary level refers to the fundamental vertical subdivision of an excavation square, implied only when easily identifiable natural strata are absent and when natural strata are more than ten centimeters thick.  

Natural strata refer to a vertical subdivision of an excavation square, which is reliant on the natural breaks in the sediments in terms of grain size, color, hardness, texture, or other features.  

It is important to know the difference between the arbitrary and natural levels as arbitrary levels could amalgamate artifacts from distinct natural levels, that is, of distinct geologic contexts.  

The archaeologists can recover the smallest ecofacts and artifacts with the assistance of flotation, screening, and bulk matrix processing


You might be interested in
During what time period does the balloon drift in a clockwise direction
hjlf

Answer:

The balloon drifts in a counterclockwise direction from 9:00 a.m. to 12 (Midnight) 3.

4 0
2 years ago
What role does complementary base pairing play in the functions of nucleic acids?
vlada-n [284]
Replication/ reproduction. one side copies then replicates and matches up. hope this helps
7 0
1 year ago
What is an inducable enzyme ​
Sonbull [250]

Answer:

An adaptive enzyme or inducible enzyme is an enzyme that is expressed only under conditions in which it is clear of adaptive value, as opposed to a constitutive enzyme which is produced all the time. The Inducible enzyme is used for the breaking-down of things in the cell.

3 0
3 years ago
What specific event triggers the uncovering of the myosin binding site on actin?
Bess [88]
Striated muscles contain repeating sarcomeres of overlapping arrays of long, thin actin and thicker myosin filaments. Myosin filaments contains the myosin heads, which are enzymes that can bind to actin, split and make use of the energy from ATP. When muscle contraction starts, myosin heads bind to actin, change their configuration on actin, liberating the products of ATP hydrolysis and causing slide of the actin and myosin filaments. The action of the proteins troponin and  tropomyosin on the actin filaments regulates vertebrae striated muscle contraction. The release of calcium ions from the sarcoplasmic reticulum is triggered by the nervous stimulation which causes depolarization of muscle membrane. Calcium ions bind to troponin and thus cause or allow the tropomyosin strands on the actin filament to move so that the part of the actin surface where myosin heads need to bind is uncovered. Contraction then occurs and only stops when the sarcoplasmic reticulum pumps calcium out of the muscle interior.

So basically, what triggers the uncovering of the myosin binding site on actin is the calcium ions binding to troponin and changing configuration.
3 0
3 years ago
Can someone give me 4 causes and effects in how organisms and humans affect the enviroment?
Ipatiy [6.2K]
Pollution, burning fossils, undrinkable water
3 0
3 years ago
Other questions:
  • HELP PLS Which type of environment would be considered healthiest?
    15·1 answer
  • The spleen contains the largest single store of a formed blood element, outside red bone marrow, called __________ .
    6·1 answer
  • Contractile proteins are found in _____.<br> eggs<br> muscles<br> feathers<br> seeds
    14·1 answer
  • Which is the first step that geologists must do to compare rock layers at distant locations? 1.find the absolute age of rocks at
    6·2 answers
  • Beside earth what else moves around the sun
    13·1 answer
  • I need some help! What cell structure goes to what definition? The structures as well as the descriptions are below.
    12·1 answer
  • where do all cells come from and how do they reproduce? explain in an easy way please I have trouble understanding
    8·2 answers
  • Please answer the questions ill mark you brainlist
    15·1 answer
  • What would happen if you discovered the cell wall of a plant was missing?
    10·1 answer
  • PLEASE HELP!! ILL MARK AS BRAINLIEST IF RIGHT!
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!