Pls I need help :(
Immediately!!

As a phase change occurs when energy is removed or added to a system, the temperature of the substance stays constant because


some substances reach a maximum temperature and will not get hotter.

energy is being used to change the chemical composition of the substance.

energy is moving too quickly for the thermometer to register a change

energy is being used to make or break bonds between molecules.

1. What is one major pattern in the fossil record?

The boiling point of a substance will be the same temperature as its


melting point

condensation point

freezing point

sublimation point

Can someone help quick

Please help !! Science !!

just tell me in your answer what each one is !


thanks !

help me! :> i need help badlyyy

Which of the following statements is true?
O Both liquids and gases are fluids.
o Objects moving through air don't experience friction.
o Temperature is the same as heat.
o Heat is transferred in solids by convection.

The diagram below shows the branching tree diagram for cats.

A slanting, horizontal line is shown. On the extreme left, there is a label that says Common Ancestor. Along the slanting, horizontal line there are five dots labeled from left to right with the following traits, Four limbs, Amniotic egg, Fur, Shearing teeth, and Retractable claws. There is one vertical line between each of the consecutive five dots. The lines are labeled from the from left to right as Amphibians, Reptiles, Marsupials, Dogs, Cats.

Which shared derived characteristic do reptiles, marsupials, and dogs have?

Amniotic egg
Fur
Retractable claws
Shearing teeth

plzzzzzzz help meeeeeeee

Which ecological relationship is best represented by this graph?

Note: Species A's population increases and Species B's population increases over time.



1: Mutualism


2: Commensalism


3: Parasitism

Where is the most common place thought of for transformational boundaries?

What procedure did you use to complete the lab? weather patterns

Outline the steps of the procedure in full sentences.

Based on the "Heating Curve for Wax," what is the boiling point for wax?

255°C

50°C

340°C

155°C

describe the difference between extensive and intensive properties

PLEASE HELP!
The diagram below represents geographical features found in the ocean.

What symbolizes a rift valley?

A. 2
B. 3
C. 4
D. 5

How is biodiversity related to niches?
Responses
A. In an ecosystem, the niche is how an organism makes its living.
B. Biodiversity is required to support keystone species' niche.
C. The more niches in an ecosystem, the greater the biodiversity.
D. The fewer niches in an ecosystem, the greater the genetic diversity within a species.

Which type of rock is MOST LIKELY to form because of high heat pressure

hi pls answer i will give brainiest

plsss help ASAP :)))))))))))))))))))))

How are weathering and erosion different? Choose the best statement.

A. Weathering is the movement of rock and erosion is when the rock remains in the same place.
B. Weathering causes rocks to break down and erosion is when the rocks are carried from one place to another.
C. Erosion occurs over a longer period of time and weathering occurs over a shorter period of time.
D. Weathering is caused by wind, water, and other rocks but erosion is caused only by wind.

Can someone help me balance these chemical equations?

1. CuF2 + Mg ---------> MgF2 + Cu3
2. Na + H2O ----------> NaOH + H2
3. KBr + Cl2 ------------> KCl + Br2

HELP PLEASE!
The picture below shows a 24-hour weather map for Texas.

What does the map indicate the weather will be for Alex's city?

A. Stormy weather caused by a warm front.
B. Clear weather caused by a high-pressure front.
C. Clear weather caused by a cold front.
D. Stormy weather caused by a high-pressure front.

5.
Which statement accurately describes the atoms of a specific element?
a.)A zinc‚ Zn‚ atom contains 30 protons inside the nucleus and 30 electrons outside the nucleus.

b.)A scandium‚ Sc‚ atom contains 45 electrons outside the nucleus and 21 neutrons inside the nucleus.

c.)An indium‚ In‚ atom contains 115 protons inside the nucleus and 49 neutrons outside the nucleus.

d.)An aluminum‚ Al‚ atom contains 27 electrons and 27 protons inside the nucleus.

PLSSsss HELP ASAP :)

What do I do for the drawing, I honestly don't really know anything about this and find it extremely confusing???

Copper and gold have similar reactive properties. On the Periodic Table of the Elements, these elements are most likely to...

Select one :

A || have nearly the same mass.

B || have the same number of protons.

C || be in the same group.

D || be in the same period.

What kind of value does biodiversity have within an ecosystem?
Responses
A. Ecological value
B. Recreational value
C. Economic value
D. All of the other answer choices

these mixed messages be impossable

Based on the "Heating Curve for Wax," what is the boiling point for wax?



255°C

50°C

340°C

155°C

HELP PLEASE ! ! DUE TODAY

The picture shows Halley’s comet, which orbits the Sun and can be seen from Earth every 75 to 76 years.

Halley’s comet orbits the Sun because :
A. the comet has a magnetic field that is attracted to the Sun's opposite magnetic field.
B. the force of gravity between the comet and the Sun influences the comet’s motion.
C. the rotation of the solar system creates winds that push it around the Sun.
D. the comet is attracted to the outer planets that sling it toward the Sun at a high speed.