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
Leto [7]
2 years ago
10

Which event takes place first in the stages before the birth of a star?

Biology
1 answer:
padilas [110]2 years ago
7 0

Answer: The contracting cloud is then called a protostar. A protostar is the earliest stage of a star's life. A star is born when the gas and dust from a nebula become so hot that nuclear fusion starts.

Explanation:

You might be interested in
The plant kingdom is divided into 2 groups vascular and nonvascular. describe each subclass. include key words such as vascular
BaLLatris [955]
<h2>Vascular and Nonvascular Plants </h2>

Explanation:

Kingdom Plantae on the basis of vasculature is divided into two groups-vascular and non-vascular plants .

  • <u>Vascular plants </u>or tracheophytes have a proper tissue-level organization and true shoot and root structures like leaves, stem, flowers, root etc
  • The tissue system or vasculature of vascular plants compromises of vascular tissues like tubular vessels – xylem and phloem
  1. The xylem transports nutrients to various parts of the body from the leaves.
  2. Phloem conducts water and other nutrients from the roots to various parts of the plant .
  • These are flowering plants that include the phanerogams – angiosperms and gymnosperms and bears flowers and fruits like the cedars, pine, clubmosses, lilies, sunflower etc.
  • Dicots are with tubular vasculature.  
  • Non-vascular plants or bryophytes with an absence of proper tissue-level organization and true shoot or root systems
  • <u>Nonvascular plants</u> are small. Their transport mechanism is poor due to lack of vascular tissues
  • These plants are lack proper shoot or root system.
  • It includes mosses, hornworts etc.
  • Monocots are plants with scattered tube-like vessels .
3 0
3 years ago
What are the pili used for?
rusak2 [61]

Answer:

Pili are short, hair-like structures on the cell surface of prokaryotic cells. They can have a role in movement, but are more often involved in adherence to surfaces, which facilitates infection, and is a key virulence characteristic

Explanation:

please mark me as brainliest thank you

4 0
3 years ago
Define diffusion and osmosis
poizon [28]
Diffusion is the movement of substances from high to low concentration

osmosis is the diffusion of water through a semipermeable membrane from high to low water concentration
7 0
3 years ago
Read 2 more answers
Hemodialysis can only be performed in an inpatient setting. answer true false
Yakvenalex [24]
The correct answer of the given health question above would be TRUE. It is true that hemodialysis can only be <span>performed in an inpatient setting. Hemodialysis is a therapy that uses a machine or dialyzer in order to filter or remove wastes from the blood such as urea. It can only be done either in a hospital or a dialysis center. Hope this answer helps.</span>
8 0
2 years ago
What is the function of the cell membrane
Sauron [17]

Answer:

The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.

Explanation:

3 0
3 years ago
Other questions:
  • Explain the four steps of the calvin cycle
    15·1 answer
  • The nurse instructs a pregnant client in the sources of protein that can be used to meet the increased daily requirement during
    11·1 answer
  • Ati real life rn nursing care of children - cystic fibrosis community care
    6·1 answer
  • Simple columnar epithelium is found in which histological layer of the alimentary canal
    11·1 answer
  • In a multi-paragraph essay, explain how the activity of individual neurons enables you to perform a simple action like answering
    14·1 answer
  • Which resource is not provided to living things from either the carbon or water cycle? A. food B. ability to change skin color C
    13·1 answer
  • Which of the following best describes the flow of energy in a cabbage plant?
    12·1 answer
  • The __________ system is responsible for moving blood cells throughout the body.
    14·1 answer
  • Can someone please help me????? Pretty please?
    13·2 answers
  • After vigorous exercise, the muscles involved show a marked the increase in the concentration of
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!