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
CaHeK987 [17]
4 years ago
14

HELP!

Biology
1 answer:
Mnenie [13.5K]4 years ago
5 0

Ptolemy was an astronomer and mathematician. He believed that the Earth was the center of the Universe. The word for earth in Greek is geo, so we call this idea a "geocentric" theory.With the development of the heliocentric model by Nicolaus Copernicus in the 16th century, the Sun was believed to be the center of the Universe, with the planets (including Earth) and stars orbiting it.

You might be interested in
sickle-cell anemia is a hereditary disease in which leukocytes have an abnormal sickle shape due to abnormal hemoglobin. True or
Verizon [17]
It’s false, sickle cell anemia is about erythrocytes
6 0
3 years ago
A toddler-age child presents in the emergency department (ed) with an infected wound. the child's mother states, "i don't have t
Sav [38]

The correct answer is: Physical Neglect.

Physical neglect is a term used to describe a condition when a parent does not provide a child with basic physical needs. This means that children do not have conditions to be healthy and safe such as no adequate food, shelter, clothing or healthcare. As a consequence, serious injuries or illness might occur.


5 0
3 years ago
Describe the two main types of interactions that environmental scientists study
cricket20 [7]
Environmental scientists study the interactions of living and non-living components in the environment. Environmental science integrates physical and biological science to allow for better understanding of environmental systems and to find solutions to environmental problems.

Hope this helps : )
4 0
3 years ago
What is first heart chamber to receive electrical signals and cause contraction​
postnew [5]

Answer:

The pacemaking signal generated in the sinoatrial node travels through the right atrium to the atrioventricular node, along the Bundle of His and through bundle branches to cause contraction of the heart muscle.

4 0
3 years ago
What is food prevention ? explain any two method of food preservation ?​
jonny [76]

Answer:

Food prevention is to stop or slow down the spoilage of food,

loss of quality and edibility of food for longer time.

METHODS OF FOOD PRESERVATION

  1. CANNING: this involves cooking the food in special oil or paste and packing it in air tight cans under strict hygiene.
  2. REFRIGERATION: this involves storing the food at a temperature below 0°c. This renders bacteria and other decay causing agents inactive

3 0
4 years ago
Other questions:
  • Why are groups of small cells better then one large cell at moving material in and out?
    13·1 answer
  • which statement correctly explains a difference between the cells of prokaryotes and the cells of eukaryotes
    5·1 answer
  • In the Virtual Lab, what are two observations you made about how changes in an ecosystem can impact populations?
    10·1 answer
  • How do the diffuse modulatory and point-to-point synaptic communication systems in the brain differ? list four ways?
    15·1 answer
  • Identify the three reasons cell division is important
    15·2 answers
  • Which of these is not currently a source of usable energy?
    13·2 answers
  • which of the following describes research that would be considered basic science? a. a farmer is trying to improve his crop yiel
    15·2 answers
  • *EXTRA POINTS* what should be done with the two forces to find the net force? 29 N→⬛ 48N ← *
    11·1 answer
  • Part D
    12·1 answer
  • What type of cyst develops when an ovarian follicle is stimulated but no dominant follicle develops and completes the maturity p
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!