BIOLOGY HIGH SCHOOL

It is believed that solar nebular materials came from which of the following?a. Material from previous stars
b. The sun
c. Terrestrial planets
d. Solar winds

Answers

Answer 1
Answer: The solar nebular materials are believed to have originated from previous stars making the correct answer A. 
Answer 2
Answer:

Answer:

a. Material from previous stars

Explanation:

Solar nebula was a molecular cloud, composed of dust and gases from which the sun and planets were born. The solar nebula material came from the material from the previous stars. When a star dies, it expels out most of its mass and from this material, nebula is formed from which new stars and planets form.

Solar wind is composed of high speed charged particles emitting out from the sun.

Terrestrial planets have rocky surface.

Related Questions

Can a catalyst be used over and over again?
Over many generations man has chosen certain desirable characteristics in dogs by allowing dogs possessing those characteristics to reproduce. In this way, 150 breeds of dogs, same species, have descended from wolves. This process is referred to asA. convergent evolutionB. artificial selectionC. inheritance of acquired traitsD. natural selection
Where do the majority of earthquakes in the United States occur?
What is the simplest level of organization in a human being
Personal alliances in the work place can be damaged by what

which answer best explains how certain patterns of histone acetylation or dna methylation could influence whether a cell became a muscle cell or a brain cell?

Answers

Cells have unique characteristics wherein each develop a specific function determined by the activation of certain DNA sequences to generate this specific cell into its supposed design, this is why cell specialization exists. 

Hence, these cells can be directly identified with their morphological structures and the DNA sequences they posses. 

Choose the correct answer. -lactose is Glcα1-4Glc -maltose is Glcα1-4Glc -sucrose is Glcα1-2Glc -cellobiose is Galβ1-4Glc

Answers

The answer is lactose is Glcα1-4Glc.

Lactose is a disaccharide sugar derived from galactose (Glca) and glucose (Glc) which form a β-1-4 glycosidic linkage (Glca1-4Glc).

Mitosis or Meiosis?
DNA replication must happen before i do ___________.

Answers

its not necessry when it must happen but  it happens both before MEIOSIS and MITOSIS !! 

hope this help you ....................

What was the variable in his experiment? a. Covering both jars. b. Covering one jar and leaving the other uncovered. c. Leaving both jars uncovered. d. There was no variable in this experiment.

Answers

The missing part of this question is as follow:

Redi placed pieces of meat in several jars. He divided the jars into two groups. He covered the first group of jars with fine cloth. He left the second group of jars uncovered. Redi observed the jars for several days. He saw files on the cloth of the covered jars, and he saw files laying eggs on the meat in the uncovered jars. Maggots appeared only on the meat in the group of jars left uncovered

Answer:

The correct answer is -  b. Covering one jar and leaving the other uncovered.

Explanation:

Variable or the factors in an experiment that is subject to change or that affects the particular experiment. In the experiment of F. Redi, he used two groups of jars one covered with fine cloth and the other open and exposed to the environment.

There is a change in the result of the experiment of Redi due to these variables as the jar that was covered has no maggots while maggots appeared in open jar.

Red green and blue light rays each enter a drop of water from the same direction which light ray's path through the drop will bend the most and which will bend the least why?

Answers

Blue will bend the most because it is more dense.  The red will bend less cause it is less dense from all the other colors.

Answer:

Blue will bend most and red will bend least

Which part of the kidney acts as a funnel to pass the urine that is produced in several nephrons to the ureters? a. Medulla
b. Cortex
c. Renal pelvis

Answers

C) Renal pelvis is the part of the kidney that acts as a funnel to pass the urine that is produced in several nephrons to the ureters. 
The part of the kidney that acts as a funnel to pass urine that is produced in several nephrons to the ureters is the renal pelvis.
Other Questions
The terminal portion of the small intestine is known as the ________.A. duodenum B. ileum C. jejunum D. pyloric sphincter
Which of the following best describes the relationship between economic growth and energy use?
Natural selection states thata. a change in a species occurs over time. b. nature selects the variations within a species that are most useful for survival. c. fitness is an organism’s ability to survive and produce fertile offspring. d. all of the above
Bees can see colors we cannot see, and they can detect minute amounts of chemicals we cannot sense. Unlike many insects, bees cannot hear very well. A biologist would probably give which of the following as the ultimate explanation for their poor hearing?a.) If a bee could hear, its highly programmed brain would be overwhelmed with information.b.) If bees could hear, the noise of the hive would be overstimulating.c.) This is an example of altruism.d.) Bees are too small to have functional ears.e.) Hearing may not contribute much to a bee's reproductive success.