Acid and base ph PhET simulation lab

Answer:

the anse wold be A

Answer:

Pterosaurs are more closely related to crocodilians. They share a more recent common ancestor than do pterosaurs and turtles.

Explanation:

Hope this Helps! :)

Answer: D) longer wavelength.

Explanation:

Answer:

PENTANE

Explanation:

The independent variable belongs on the x-axis (horizontal line) of the graph and the dependent variable belongs on the y-axis (vertical line).

Answer:

here

Explanation:

The increase in sunlight up to a limit might result in an increase in the photosynthesis process as well as in transpiration. More amount of energy will be produced by plants.

c. The atom becomes positively charged

if the electrons are removed it means theres no longer a negative charge to balance the positive charge of the protons in the atom

In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. As such, it generalizes a circle, which is the special type of ellipse in which the two focal points are the same.

Maybe they might use that math thing for Science.

Answer:

four atoms of oxygen

Explanation:

two atoms of hydrogen

one sulphur atom

Answer:

a cycle of water that circulates between earth's oecans

Explanation:

hope that's helps

Answer:

The water cycle, also known as the hydrologic cycle or the hydrological cycle, describes the continuous movement of water on, above and below the surface of the Earth. the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land, involving precipitation as rain and snow, drainage in streams and rivers, and return to the atmosphere by evaporation and transpiration.

Explanation:

Answer:

The correct answer is A.

Answer:

No, a plastic wire would not conduct electricity. This is because plastic is an insulator that does not allow electric current to flow through it. In a wire, electrical conductivity is provided by the movement of charged particles - typically, electrons. Copper is an excellent conductor of electricity because it has a high number of free electrons that are not bound to atoms and can move through the wire very easily. However, in a plastic wire, the tightly bound electrons of its atoms do not allow for the free flow of charges, thus preventing the passage of electric current.

Answer:

C. He should plant vegetation.

Explanation:

Planting vegetation can help reduce the impact of shoreline erosion by stabilizing the soil and preventing it from being washed away by water. The roots of the plants help to hold the soil in place, and the leaves and stems can absorb some of the energy from waves and storm surges, reducing their erosive force.

Creating a sand dune or marsh can also help to reduce shoreline erosion, but these options may not be feasible for Conrad's particular situation. Creating a sand dune may require large amounts of sand and ongoing maintenance, and creating a marsh may require significant modifications to the existing shoreline.

Moving the home inland may also not be a desirable solution, as it could be expensive and may not provide adequate protection from high winds and storms.

Therefore, planting vegetation is the most practical and effective solution for Conrad to reduce the impact of his home on the shoreline.

Answer:

no

Explanation:

Thoughts: Well a phase change would be like changing to a solid, liquid, gas or maybe plasma. (ALSO) Melting, vaporation etc.  You can burn a frozen solid ice cube and it will change to a liquid aka (melted)

Draft Answer: Going by that scenerio I would say yes but burning can also burn a paper into nothing except ashes while like I said with the ice cube also works.

Final Answer: Yes!!

Answer:

39

Explanation:

Relative mass does not need to be calculated as it is listed on the periodic table. Potassium's relative atomic mass is around 39.

Answer: Food

Explanation:

The rat smells the food or sees the food it goes towards the food to eat it.

Answer: I think it's the second graph because they both look together and they chemically mixed together.

Answer:

Volume = 5.73L

Explanation:

Data;

V1 = 3.75L

P1 = 0.980atm

P2 = 0.641atm

V2 = ?

This question involves the use of Boyle's law, which states that, the volume of a fixed mass of gas is inversely proportional to its pressure provided that temperature remains constant.

Mathematically,

V = kP, k = PV

P1V1 = P2V2 =P3V3=........=PnVn

P1V1 = P2V2

V2 = (P1 * V1) / P2

V2 = (0.980 × 3.75) / 0.641

V2 = 5.73L

The final volume of the gas is 5.73L

Answer:Answer is C

Explanation:

Answer:

X-rays--1 and ultra violet rays --2

Explanation:

Answer: A

Explanation:

Rod A took 45 seconds.

Rod B took 30 seconds which is 15 seconds less than Rod A

Rod C took 60 seconds which is 15 seconds more than Rod A, and 30 seconds more than Rod B.

If all of them were made of the same substance, they all would have the same time, since they all have different times, then they all are made of different substances.

Answer:

As – Arsenic

Explanation:

Let's break this down step by step. Make sure you have a periodic table to reference.

"I am a metalloid" – We will be looking towards the right side of the periodic table. The possible choices are boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te), and astatine (At).

"I am in the nitrogen family" – Families are elements grouped by columns. The nitrogen family is group 15. The possible choices are now arsenic (As) and antimony (Sb).

"and row 4" – Counting from the very top (don't forget row 1 of hydrogen and helium), we can see that arsenic (As) is in the 4th row.

"I have an atomic mass of 74.92" – Arsenic (As) does have an atomic mass of 74.92, which confirms our answer.

Hope this helps!

Answer: The correct fill-in-the-blank answers are:

1. through binary fission (already filled in)

2. be resistant to penicillin

3. through asexual reproduction.

4. cell replicates before

5. a simpler process

Explanation:

The correct fill-in-the-blank answers are:

1. Bacteria reproduce through binary fission (already filled in)

2. A parent bacterial cell is able to survive in the presence of antibiotic penicillin. Subsequent generations from this parent will be resistant to penicillin

3. Something that potatoes and bacteria have in common is that they both reproduce through asexual reproduction.

4. In asexual reproduction DNA from the parent cell replicates before it produces daughter cells.

5. Asexual reproduction is a simpler process than sexual reproduction.

Know more about Bacteria: https://brainly.com/question/6941760

Answer: 1 is A

2 is C

3 is D

Hope this help

Answer:

A glance at the night sky above Earth shows that some stars are much brighter than others. However, the brightness of a star depends on its composition and how far it is from the planet.

Astronomers define star brightness in terms of apparent magnitude — how bright the star appears from Earth — and absolute magnitude — how bright the star appears at a standard distance of 32.6 light-years, or 10 parsecs. (A light-year is the distance light travels in one year — about 6 trillion miles, or 10 trillion kilometers.) Astronomers also measure luminosity — the amount of energy (light) that a star emits from its surface.

Measuring star brightness is an ancient idea, but today astronomers use more precise tools to obtain the calculation. Specifically, they use the electromagnetic spectrum, focusing on the wavelengths visible to the human eyes. Every star has a distinctive spectrum of light, which to our eyes is rendered as a color.

Explanation: