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
horrorfan [7]
3 years ago
15

Which event signals the birth of a star?

Biology
2 answers:
juin [17]3 years ago
7 0

Answer:

nuclear fusion

Explanation:

When the density and temperature at the core of the gravitationally collapsing nebula reaches values when nuclear fusion is triggered and sustained, that marks the birth of the star.

gregori [183]3 years ago
6 0

Answer:

nuclear fusion

Explanation:

You might be interested in
Will cloning lead to designer babies who are denied an open future?
ololo11 [35]
Cloning will not lead to designer babies because clones are a complete copy of the person being cloned. The clone would need to be genetically modified to be considered designer
5 0
3 years ago
Pericarditis, an infection with an accumulation of fluid in the pericardial sac, can lead to cardiac ________, as the fluid comp
torisob [31]

Answer:

Pericarditis,an infection with an accumulation of fluid in the pericardial sac,can lead to cardiac attack ,as the fluid compress the heart and stops from beating.

Explanation:

Pericarditis is mainly caused by viral infection in the respiratory tract.Pericarditis is an autoimmune disorder as they release antibody which attack body's own tissue and cells.

Pericarditis mainly affect people with age between 20-50

Pericarditis means inflammation in the pericardium region which is a sac like like structure and surrounds the heart.

The symptoms include Chest pain,Cardiac attack  and some times cause death.

Pericarditis may be acute as it happens suddenly and does't lasts for longer time.

6 0
3 years ago
PLS HURRY What type of work uses ATP to pump substances across membranes?
lyudmila [28]
I would say the answer is transport work!

Substances can go through the cell membrane through active and passive transport! Active transport is powered by adenosine triphosphate, ATP!
3 0
3 years ago
What function do plants have in the forest in the carbon cycle
statuscvo [17]
Plants absorb carbon dioxide,water and sunlight to make their own food,grow and release oxygen through photosynthesis. They're a huge part in keeping our air clean. The carbon becomes part of the plant. Plants that die and are buried may turn into fossil fuels made of carbon like coal and oil over millions of years. When humans burn fossil fuels, most carbon enters the atmosphere as carbon dioxide.
7 0
3 years ago
Read 2 more answers
Can someone help me pls ASAP
masha68 [24]

Answer:

I think number 3 since they have the most in common

Explanation:

6 0
3 years ago
Other questions:
  • Why do the cellular processes necessary for life take place in a watery environment?
    12·1 answer
  • How does diabetes affect the respiratory system?
    5·1 answer
  • While preparing a cell culture aside colony of bacteria into distilled water and stir that up this mixture of water and living c
    15·1 answer
  • Seasonal variations in ocean temperatures can impact the populations of living organisms in the ocean. How would a phytoplankton
    9·1 answer
  • The ability of your body to maintain internal conditions such as temperature is...what?
    10·1 answer
  • You just saw bees flying in and out of a hole in a old tree. You know it's not a good idea to get too close. So, how can you fin
    8·1 answer
  • You are given two true-breeding groups of gerbils. The gerbils in the first group have black fur and curly tails; the gerbils in
    8·1 answer
  • Help on any of these would be very much appreciated
    14·1 answer
  • Question:What does codominance mean in genetics?
    5·1 answer
  • Which pair of terms most accurately describes life history traits for a stable population of wolves? A. semelparous; r -selected
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!