When we say that there are similarities between the oxygen isotopes of the Earth and the Moon, what are we referring to?   a Varieties of oxygen atoms that have the same numbers of protons, but different numbers of neutrons   b Varieties of oxygen atoms that have the same numbers of electrons, but different numbers of protons.   c Varieties of atoms that include various types of oxygen, nitrogen, and carbon.   d Varieties of oxygen atoms that have the same numbers of neutrons, but different numbers of protons.

Q: how has salvinia impacted catchments

A: Ferns are a type of vascular plant that reproduces by spores rather than seeds or flowers. Plants, l...

Q: Paleontologists at Grand Staircase-Escalante National Monument discovered a new ceratopsid skull. Th...

A: Views of distinct rock layers abound from nearly every location within the monument. Each layer serv...

Q: rested mosquitoes was sprayed weekly with the insecticide DDT of several months. Daily counts provid...

A: There are many factors that basically control the effectiveness of the pesticide. There are many exa...

Q: what are the steps and procedures to make agricultural residuals into bioenergy - such as fermentati...

A: Bio-energy is clean energy, which is obtained from organic residues and eliminates the problems such...

Q: in order for a rock to be metamorphic it must have  a. been hot enough to melt followed by recryst...

A: The earth is made up of different types of rocks and minerals that make up the earth’s crust. These ...

Q: Read the situation below. The complete the task that follows.   Help me

A: A hazard is any agent that can cause harm to humans and the environment. Risk is the possibility of ...

Q: PLEASEEEEE. Just read the instruction on the photo. Thank you fo the help

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any ...

Q: What does the term "K-T boundary" refer to?   a The transition from a period in Earth history cal...

A: Fossils are the preserved remains or the traces of past life and their activity. With the help of fo...

Q: Which of these is the most basic factor controlling why an outer-solar-system planetary body like Pl...

A: The solar system is a gravitationally bound system around the sun. It has 8 planets, their moons, as...

Q: Which one is true and false?

A: Climate is the average weather pattern of a region. It is the average of almost 30 years of weather ...

Q: Periods of high ice-rafted debris that occur during glacial periods are called     Dansgaard-Oes...

A: One of the pieces of evidence of the Heinrich events is the ice-rafted debris (IRD). A minimum of si...

Q: Define hillock

A: A hillock s defined as a tiny hill that is commonly away from the hill ranges. It is also known to b...

Q: What contaminations are outside the safe range for Surface Rural site?

A: By analysing the question, We need to find What contaminations are outside the safe range for Surfac...

Q: I thought Canada is a country who try to help with climate change, but why there is still tar sands ...

A: Tar sand, commonly known as oil sand, is a mixture of sand, clay, water, and thick bituminous oil. D...

Q: The Milky Way galaxy is approximately 100,000 light-years across while the solar system is 1.9 light...

A: The Galaxy Milky Way encompasses our Sun and all of the planets that orbit it. The Galaxy Milky Way ...

Q: For each of the following statements select true or false. 1. Coral weed, nori seaweed, and black pi...

A: By analysing the question, We need to give statements and prove them true or false. Below you can fi...