The type I, or gas, tail of a comet   a. is smooth and featureless with a spectrum identical to that of the sun.   b. is present even when the comet is located in the region of the Kuiper belt.   c. is unaffected by the magnetic field of the sun.   d. always points toward the sun.   e. is streaked and shows emission lines of ionized atoms.

Q: 10. Identify one example of natural selection "at work" in the wild? Please see my example for inspi...

A: Natural selection is the process by which organisms adapt or develop certain traits that help them t...

Q: The Jovian problem refers to   a. the high speed with which the Jovian planets rotate on their a...

A: Firstly, let us discuss something about Jovian Planet, Jovian Planet: Jupiter, Saturn, Uranus, and ...

Q: What is paleogeography?     The study of ancient atmosphere     The study of ancient oce...

A: Several events took place in the geologic past which led to the current topography of the earth. Sin...

Q: The “process of compaction and cementation of sediments to form sedimentary rocks” is called?   ...

A: Earth is the third planet in the solar system. It is a terrestrial planet, meaning it has a solid ro...

Q: The excess heat produced by Jupiter and Saturn is the result of   a. nuclear reactions in their ...

A: Jupiter is 5th planet in the solar system and is the largest. It is categorised as Jovian planet as ...

Q: How are humans living unsustainably?

A: Unsustainable development happens when present advancement is to the detriment of people in the futu...

Q: What are minerals?     Organic substances with variable structure and chemical formula    ...

A: Minerals Minerals are the natural inorganic chemical compounds, which have definite and fixed chemic...

Q: Can you draw an example cross section, showing the various zones of fluids and solids near the surfa...

A: Groundwater is the sub-surface water lying beneath the earth’s surface. The groundwater is stored in...

Q: five (5) worst effects of human arrogance to environment.

A: Overpopulation. pollution due  to burning of fossil fuels deforestation.

Q: When water vapor in the air condenses, what does it form?

A: The atmosphere is the mixture of gases that surrounds the Earth. The composition of the atmosphere v...

Q: The lunar maria are   a. the lava plains of the lunar lowlands.   b. the smooth plateaus of ...

A: Ever since the beginning of the Universe, matter and energy were created. These matters and energy e...

Q: The magnetic fields of Uranus and Neptune are peculiar in that they are   a. highly inclined to ...

A: The magnetic fields of the Uranus and Neptune are unusual for scientists. The magnetic fields are ge...

Q: My question is in the picture.

A: The earth’s crust is made up of rocks, minerals, and sediments that are metallic and non – metallic....

Q: It's actually ecology/ human impact on the environment but there was no option for that.

A: The Earth is made up of four spheres known as lithosphere, atmosphere, hydrosphere, and biosphere. A...

Q: Which of the following statements is correct about the difficulties of getting an effective treaty, ...

A:   I think both a and b are correct.

Q: What are pelagic organisms?     Organisms that live move in the sea floor     Organisms ...

A: Stratification of water mass in ocean is done on the basis of salinity density temperature and oxyge...

Q: Which contact "has an erosional surface that shows no relief and is apparently parallel to the beddi...

A: Earth science is the study of the Earth and the various processes that are going on in the Earth sys...

Q: Lobate scarps on Mercury were probably caused by   a. meteorite impacts.   b. shrinkage of t...

A: The tiniest planet in our solar system and nearest to the Sun, Mercury is simply a little bigger tha...