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
ANTONII [103]
3 years ago
9

True or false: Over 200 million years ago, Australia separated from Antatica and moved north.

Biology
2 answers:
kati45 [8]3 years ago
8 0

Answer:

true

Explanation:

miss Akunina [59]3 years ago
3 0

Answer:

False

Explanation:

Australia began to separate from Antarctica 85 million years ago.

You might be interested in
A 25-year-old athlete reports a sudden popping sound in the knee. this results in difficulty with weight bearing and acute swell
Aliun [14]
<span>Anterior cruciate ligament. The athlete may be experiencing a common sports-related injury. Pain and swelling due to forceful twisting or rotating of the knee can result in a torn meniscus. Rest and a cold compress may be of help in reducing the swelling and in difficulty in walking or other motions that shift the weight to the knee.</span>
4 0
4 years ago
Read 2 more answers
Match the names of the microscope parts in column A with the descriptions in column B. Place the letter of your choice in the sp
mezya [45]

Answer:

Adjustment knob (coarse) ---> Causes stage (or objective lens) to move upward or downward

Arm ---> Serves as a handle for carrying the microscope

Condenser ---> Concentrates light onto the specimen

Eyepiece (ocular) ---> Contains a lens at the top of the body tube

Field of view ---> Circular area seen through the eyepiece

Iris diaphragm ---> Increases or decreases the light intensity

Nosepiece ---> Part to which the objective lenses are attached

Objective lens system ---> After light passes through the specimen, it next enters this lens system

Explanation:

The microscope is an essential equipment used in science laboratories to view objects which are too small to be seen by the naked eye. Also certain processes which occur at the microscopic level can only be observed using a microscope.

There are many different types of microscopes. The compound light microscope is the one most commonly used in biological laboratories to view tissues and cells of organisms. It uses visible light which passes through two separate lens to magnify the image produced of a specimen.

The various parts of compound light microscope and their respective functions are given below:

Adjustment knob (coarse) ---> Causes stage (or objective lens) to move upward or downward

Arm ---> Serves as a handle for carrying the microscope

Condenser ---> Concentrates light onto the specimen

Eyepiece (ocular) ---> Contains a lens at the top of the body tube

Field of view ---> Circular area seen through the eyepiece

Iris diaphragm ---> Increases or decreases the light intensity

Nosepiece ---> Part to which the objective lenses are attached

Objective lens system ---> After light passes through the specimen, it next enters this lens system

Stage ---> Platform that supports a microscope slide

Stage (slide) clip ---> Holds a microscope slide in position

8 0
3 years ago
3. Mutations that occur in the BPG binding cavity on deoxyhemoglobin can at times result in the substitution of lysine and histi
Ber [7]

Answer:

It affects the oxygenation of the tissues in a negative way, that is, causing tissue hypoxias.

Explanation:

What will happen is that BPG, having a different relationship with deoxyhemoglobin, hemoglobin will not give oxygen to organs or tissues during glycolysis at times when the sympathetic nervous system is activated or even in the maintenance of physiological tissue vitality, therefore it will trigger a drop in the partial pressure of the gas both in the blood and in the tissues since they will be retained in the hemoglobin structure without being able to release it.

4 0
3 years ago
Which of these would be a disadvantage when forming a fossil? hard body parts buried quickly high oxygen atmosphere high pressur
puteri [66]

Answer:

C  high oxygen atmosphere

Explanation:

usatestprep

5 0
3 years ago
Willie is on the bus with his classmates. who is most likely to be diagnosed with psychopathology based on the criteria that his
Paha777 [63]
Willie on the bus with his classmates. Who is most likely to be diagnosed with psychopathology based on the criteria that his or her behavior impairs good daily functioning?

Elizabeth, who must walk up and down the bus steps 10 times before getting on

7 0
3 years ago
Other questions:
  • What is the answer to this equation
    7·1 answer
  • Which element is found in most meteorites?
    12·2 answers
  • What is mRNA please help
    9·2 answers
  • A biologist studied a population of squirrels for 15 years. During that time, the population was never fewer than 30 squirrels a
    6·2 answers
  • What does a plant need to grow
    6·2 answers
  • Contains low density minerals such as quartz
    10·1 answer
  • True or false: The ocean and atmosphere work together to move heat across the globe?
    14·1 answer
  • What are groups of great white sharks believed to have established
    10·2 answers
  • The reactants for cellular respiration glucose and oxygen are the products formed in the process of
    5·2 answers
  • The interval, in which no stimulus whatsoever can produce another action potential, is known as the __________________.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!