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
stepan [7]
3 years ago
12

What two Units do Astronomers use to calculate Distance to Stars

Biology
2 answers:
Mkey [24]3 years ago
4 0

Answer:To measure the distance of a star, astronomers use a baseline of 1 astronomical unit (AU), which is the average distance between Earth and the sun, about 93 million miles (150 million kilometers). They also measure small angles in arcseconds, which are tiny fractions of a degree on the night sky.

Explanation:

Nataliya [291]3 years ago
3 0

Answer:

astronomical unit (AU) and light years

Explanation:

You might be interested in
The residual volume is approximately ________l in an adult human.
Papessa [141]
About 1200 mL or 1.2L from what I have learned.
8 0
3 years ago
consider the following sentences. indicate whether each sentence has a truth value and whether each sentence is a statement. wha
oksano4ka [1.4K]

Answer:  This means that this sentence is a statement

Explanation: Sentence A, Whales are aquatic mammals. Sentence A has a truth value of true. This means that this sentence is a statement. Sentence B S1: S2: Sentence Set A Death by lethal injection is a form of cruel and unusual punishment. Evidence suggests that the chemicals used allow suffering for several minutes before death. Moreover, finding suitable veins for the injections can be time-consuming, which prolongs the mental anguish of the condemned prisoner. S3: For Sentence Set A, si is the conclusion

3 0
2 years ago
Which best describes the structure of DNA
goldfiish [28.3K]

Answer:

A

Explanation:

8 0
2 years ago
What is malaria?biology
Vitek1552 [10]

Answer:

Malaria can be described as a disease which is caused by a parasitic organism. The Anopheles mosquito carries the parasite Plasmodium in it. When this mosquito bites a human being, the parasite gets transferred into the blood of the person causing malaria. Before entering the blood cells, the plasmodium travel to the liver where they get matured.

Malaria is a life-threatening disease which kills many humans each year, especially people living in underdeveloped countries.

8 0
3 years ago
When scientists have made many observations and collected existing data, they suggest a possible explanation for what they have
o-na [289]

Answer:

Hypothesis, controlled conditions, "if then" statement, scientific investigation, observation.

Explanation:

Hypothesis: An idea proposed for an argument to be tested if it's true.

Controlled Conditions: An experiment that doesn't manipulate the independent variable.

If then statements: These sentences present situations and their outcomes.

Scientific Investigation: A plan for asking questions and testing possible answers.

Observation: Using one of the senses (hearing, seeing, tasting, smell, touching) or measurements to gather data.

Let me know if you need more!

4 0
3 years ago
Other questions:
  • In 1953, who developed the model that is shown below?
    8·2 answers
  • What is the difference between osmosis and diffusions?
    5·2 answers
  • Digesting food is an example of
    14·1 answer
  • Ben uses a reusable storage bag to carry snacks to school. Debbie uses a similar bag to store pencils so her book bag doesn't ge
    10·1 answer
  • A windstorm in a forest blows down the largest trees in a particular area of the forest. Soon, sun-loving plants sprout in the n
    5·1 answer
  • • 3. Explain how the human eye possesses the featureof irredeemab complexity?​
    13·1 answer
  • this new kid in middle school ran 100 miles for a pacer test and the pacer test was outside and it was pretty close to the woods
    12·1 answer
  • How do conservation tillage practices lead to agricultural sustainability?
    10·1 answer
  • Is the biological domain Animalia autotrophic or heterotrophic
    6·1 answer
  • In order to support life a planet will need ...
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!