What is a type of fossil from an organism that lived for a short time that is widely distributed, is easy to recognize, and assists with relative dating?
A.
Intrusion
B.
Index Fossil

Pls help

The flow of matter through the carbon and nitrogen cycle can be disrupted! The video clip explained an example in both the carbon and nitrogen cycle. Pick one of these and describe how this disruption could impact cycling.

Answer the 4 questions pls

1. In what ways does an organism’s mode of reproduction impact the diversity of its offspring? (Asexual vs. Sexual)

Using the model, write the chemical formula for an ionic compound that has Mg and Cl.

Which two elements weather rocks by smoothing them? look below to ansawer

Temperature and plants
Water and plants
Water and wind
Wind and ice

Osmosis is the process in which _______ diffuses across a cell membrane.
A.glucose
B.energy
C.water
D.oxygen

please help me check over my work

Which of the following statements is NOT true?


Solar energy emits more greenhouse gases than fossil fuels.


Solar energy is the most abundant energy resource on Earth.


Solar radiation regulates Earth's climate and weather systems.


Solar radiation heats up the Earth’s surface providing a living environment for humans

Which body system carries nutrients to the cells of the body?Answer options with 5 optionsA.circulatory systemB.digestive systemC.muscular system. D respiratory systemE.skeletal system

HELPPPPPPPPPP DUE TODAY

Describe where inherited traits originate and how they are passed from one generation to the next.

Susan has just moved into a new house. For some reason, she cannot get the grass to grow in her yard. She decides to grow small amounts of grass inside her house as part of an experiment. The first group of grass is exposed to a light intensity of 400. The second group is exposed to a light intensity of 1200.



Using the graph, which of the following should be expected from Susan’s two groups of plants?

Group of answer choices

The plants at a light intensity of 1200 will produce more oxygen than the plants at 400.

The plants at a light intensity of 1200 will perform only stage 1 of photosynthesis.

The plants at a light intensity of 400 will produce more glucose than the plants at 1200.

The plants at a light intensity of 400 will grow more quickly than the plants at 1200.

When he carried out his experiment, Nathan found that he had three small
beakers of the same size and two slightly larger ones. He decided that the
sizes were close enough to compare the boiling behavior of the liquids. Is he
correct? Why or why not?
O A. No, because the intermolecular forces will be different in different
containers.
B. Yes, because the rate of boiling will be the same no matter what
shape the container is.
C. Yes, because the surface area will be different, making up for the
change in shape.
D. No, because the area exposed to the surface will be different,
changing the rate of boiling.

The symbol Ag stands for which element?

Nitrogen ​gas is more abundant in our atmosphere than oxygen! However, nitrogen needs to be converted into different forms to be used by many organisms. Bacteria are highly involved in this! Describe the role of (A) ​bacteria fixing nitrogen as they live symbiotically with some plant species​, (B) ​nitrifying bacteria​, and (C) denitrifying bacteria ​in the nitrogen cycle.

The image shows an example of a sedimentary rock.

Large and small shells embedded in light colored rock.

Which feature of this rock demonstrates that it is an organic rock?

the varying sizes of its rock fragments
the visible pieces of sediment it contains
the ocean animals deposited in its layers
the crystals of dissolved minerals it contains


The first person to answer this get brainlist!

Balance this chemical equation. Thank you.

If you have a 15% salt water solution, how many grams of salt do you have if you have 50 ml of water.

How many grams

Using the model, write the chemical formula for an ionic compound that has Mg and Cl.

Brian and his classmates conducted an experiment on what objects are attracted to an electrically charged balloon. Their teacher instructed them to write down their procedure. What is the purpose of writing down the procedure?

(A) The experiment can be changed by others to investigate a new question.

(B) The exact experiment can be repeated by others, and the results can be compared.

(C) The procedures for the experiment can be changed for another experiment.

(D) The procedures for the experiment can be tested for accuracy.

There are two groups of waves with the same amplitude. One contains waves of short wavelength and the other has waves of long wave-length, Which waves have the most energy? (pls answer asap)

red aesthetic and one other thing

A dog has greater mass as an adult than she did as a puppy. Has matter been created? Why or why not?

Which statement about plants is the most accurate?
Group of answer choices

Plants undergo both photosynthesis and cellular respiration

Plants undergo neither photosynthesis nor cellular respiration.

Plants undergo photosynthesis but not cellular respiration.

Plants undergo cellular respiration but not photosynthesis.

Ocean waves are just one example of waves that can be used to study the properties of waves. Other examples include the ringing of a bell and the impact of an earthquake.

Can you think of other examples?

Hey! Could someone help? *spam answers not tolerated*
Don't answer if you don't know, and thanks a ton if you do! Have a good day!

What does the salinity of sea water represent?

the volume of salt in the ocean
the mass of salt in the ocean
the concentration of salt dissolved in the ocean
the concentration of all dissolved chemicals in the ocean

HELP ME QUICKLY ITS OVER DUE PLSSSSS

Explain why you think it is important to have a system that is able to distribute clean, safe water to different locations.

Which phrase describes how metamorphic rocks form?

form from melting
form at Earth’s surface
form from sediments
form from existing rocks


Pls answer it

Which of the following best describes alternating current? ________

A. current that constantly turns on and off

B. current in which charges change direction

C. current that gains and loses electrons

D. current that increases and decreases in temperature

Use the diagram below to answer the question.

If a person jumps off of the skateboard in the direction indicated by arrow A, the skateboard will move in the direction of arrow B. Which statement below best describes this principle?

Mass can be converted to energy.


Energy is neither created nor destroyed; it only changes form.


Every action force results in an equal and opposite reaction force.


Unless another force is applied, an object in motion will move at a constant speed.