first used the term cell when he used a (5)_____ to observe box-like structures when he was examining cork under a microscope. (6)_____ also saw what we know know as (7)_____ when looking at pond water. These observations, along with the observations of several other scientists over the course of 200 years, lead to the development of the (8)_____.

Answer:

sorry if its wrong.

Explanation:

(5) a cell was used to refer to these tiny units of life

(6) Robert Hooke

(7)  cell walls

(8) modern cell theory. im so sorry if im wrong.

plzzzzzzz help meeeeeeee

Hiro rolls up a paper towel and puts it in a straw. He puts one end of the straw in a glass of water and observes the movement of the water from the glass up the towel. Which statement best describes Hiro’s model?

these mixed messages be impossable

Can someone help me balance these chemical equations?

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

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

Outline the steps of the procedure in full sentences.

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

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

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

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.

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

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

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

describe the difference between extensive and intensive properties

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


melting point

condensation point

freezing point

sublimation point

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.

Science Tectonic Plates Cause and Effect (Converge, Diverge and Transform)

PLSSsss HELP ASAP :)

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.

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

255°C

50°C

340°C

155°C

help me! :> i need help badlyyy

Please help !! Science !!

just tell me in your answer what each one is !


thanks !

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.

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.

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

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

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.

What is the difference between an endangered species and a threatened species?
Responses
A. An endangered species is affected only by changes in genetic diversity. A threatened species is only affected by changes in niche diversity.
B. An endangered species could become endangered in the near future. A threatened species is in danger of becoming extinct in the near future.
C. An endangered species is affected only by changes in niche diversity. A threatened species is only affected by changes in genetic diversity.
D. An endangered species is in danger of becoming extinct in the near future. A threatened species could become endangered in the near future.

hi pls answer i will give brainiest

Can someone help quick

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