BIOLOGY MIDDLE SCHOOL

The "blank" describes the steps you use during an experiment?

Answers

Answer 1
Answer: The "procedure" describes the steps you use during an experiment.
Answer 2
Answer: procedure :) i hae this teacher for science if you go to school in kansas

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What is the typical weather for the year of moscow russia

Answers

This is Russia we're talking about, so there are bound to be a few minor extremes between seasonal temperatures.

Winters last fron November to March and are usually very cold. Temperatures often drop below freezing.

Summers are from May to August and are usually at a comfortable 70-80 degree range. Heatwaves can raise temperatures up to above 86 degrees.

A car slams on its brakes, producing friction between the tires and the road. Into which type of energy is the mechanical energy of the car converted?

Answers

I don't think this is right but is it radiation?
I am not 100% sure if this ks right but woukd it be potential energy?

Which factors describe a Mediterranean climate? Check all that apply.has very few trees

is found in inland areas

has cool and rainy winters

has little to no precipitation

has dense shrubs and grasses

Answers

Answer:A,C,E

Explanation:I took the test

A model of pluripotent vs differentiated cellular gene expression is shown. Pluipotency is found in stem cells that have the ability to become multiple types of cells. Differentiation is the process where a cell becomes specialized and cannot return to its pluripotent state. What explanation best supports the model of pluripotency and differentiation shown above?A) Differentiated cells have different DNA sequences that pluripotent cells and can produce different protein products.
Eliminate
B) Differentiated cells have fewer gene sequences that pluripotent cells and can only produce limited numbers of proteins.
C) Pluripotent cells recruit molecules from nearby cells to increase gene expression while differentiated cells use only internal transcription factors.
D) Differentiated cells and pluripotent cells have different types of activator or repressor proteins present that positively and negatively regulate gene expression in the cell.

Answers

Answer:

The correct answer is D

Explanation:

Answer:

d

Explanation:

i just got it right on usatestprep

Which of the following is one way that the circulatory system helps maintain body temperature?A. carrying heat around the body
B. speeding up the blood flow to generate heat
C. controlling the flow of blood to the skin
D. carrying nutrients and energy to cells

Answers

Answer:

One way through which the circulatory system helps maintain body temperature is controlling the flow of blood to the skin (option C).

Explanation:

In situations of low ambient temperatures, one of the mechanisms to prevent the loss of body heat is the decrease in blood flow that reaches the skin.

In the presence of cold, body thermoreceptors send a signal to the nervous system, which arrives to the hypothalamic thermoregulation centers, activating body responses to maintain body temperature.

One of the responses to cold is peripheral vasoconstriction - closure of blood vessels in the skin - and the derivation of blood flow to vital organs. This produces the paleness that is observed in the skin when a person is exposed to cold.

Peripheral vasoconstriction is a way of controlling the blood flow to the skin to maintain body temperature.

Learn more:

Thermoregulationbrainly.com/question/7450241

Answer:

the correct option is C

Explanation:

I took the test

A large portion of precipitation in the rainforest occurs as a result of _______.a.

perspiration


b.

respiration

Answers

A large portion of precipitation in the rain forest occurs as a result of transpiration .
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