Jack, an Investigator, wants to prove that a certain suspect was present at the crime scene when the crime was committed. What kind ofevidence should he look for?

Jack should look for __________ evidence because the analysis of such evidence can prove whether the person was present when the crime
was being committed. This evidence refers to tiny fragments of material that can be transferred from a human to a human or human to a
location
(forensic science question)

Answers

Answer 1

Answer:

Answer: TRACE evidence

Explanation: Any evidence that can be transferred from one person to another or one person to a place is trace evidence. Also I took the test.

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The molar mass of I2 is 253.80 g/mol, and the molar mass of NI3 is 394.71 g/mol. How many moles of I2 will form 3.58 g of NI3?
A biochemist is attempting to replicate a chemical reaction that commonly takes place in cells. During the chemical reaction, starch is broken down into glucose. What will most likely happen if the amount of enzyme that catalyzes this reaction is increased? A. The reaction will stop. B. The reaction will slow down. C. The reaction will speed up.

10. If a car travels from Town A to Town B on one road at different speeds and stops at red lights, knowing the distance between the towns and the total time of the trip can allow you to calculate A. instantaneous velocity.B. deceleration.C. average velocity.D. uniform velocity.

Answers

Answer: The correct option is C.

Explanation: Average velocity is defined as the displacement divided by the total time taken by the object.

Mathematically,

$\text{Average Velocity}=\frac{Displacement}{\text{Total time}}$

We are given, the distance between the two towns and also the total time, so we can easily calculate the average velocity.

Hence. the correct option is C.

Answer : Option C) Average Velocity

Explanation :

As we have the given information about the different speed and the distances between the town and the total trip time, then it will allow anyone to calculate the average velocity of the car.

The average velocity is defined as the displacement divided by the time taken. This will help to determine the average velocity the car was moving with while traveling to various distances.

Corn, Cotton, Tobacco, and Wheat are examples of what?Question 3 options:

Plantations

Economies

Colonies

Cash Crops

Answers

Answer: cash crops

Explanation:

trust

Answer: Cash Crops

Explanation: These crops were used in the south to make loads of money before the civil war in southern plantations so they were known as cash crops

A change of phase never accompanies a. a change in volume b. a change in pressure
c. a change in temperature
d. a change in density
e. a change in structure

Answers

(b) there will be no change in pressure

A skillet is lined with a thin layer of cooking oil followed by a layer of unpopped popcorn kernels. Upon heating the kernels all pop thereby escaping the skillet. Which of the following physical and/or chemical changes occurred?

Answers

Physical change.

Explanation:

This is a physical change.

The reason for escaping pops is the water caught internal parts it's bit.
Inside the event that the bit is warmed to a tall satisfactory temperature, this water will modify into steam. Due to the troublesome and for the preeminent parcel nonporous shell, the steam has no put to go, coming nearly in a buildup of weight internal parts the bit.
Once the weight gets tall satisfactory and the temperature comes to around 180 degrees Celsius (355 degrees Fahrenheit), the pops escape from the skillet or bursts and the popcorn is turned internal parts out.

If the pressure, volume, and temperature of a gas are known, which can most likely be found by using the ideal gas law

Answers

the ideal gas law equation is as follows

PV = nRT

where P - pressure

V - volume

n - number of moles

R - universal gas constant

T - temperature

so if the pressure, volume and temperature are already known

we are left with n and R

since R is the universal gas constant that has a known fixed value then R too is known

so we are left with 'n'

once we know temperature volume and pressure

we can find the number of moles of gas present using the ideal gas law equation

A.) the molar amount of gas

Hope it helps!

How does the skin help regulate body temperature?

HELP FAST

Answers

Answer:

1. The body's immense blood supply (when blood vessels dilate or become larger heat loss occurs) When the blood vessels constrict it holds in heat

2. The skins blood supply also helps maintain body temperature (helps maintain homeostasis which is the "normal" state of our body)

3. Humidity in the air effects thermoregulation (heat regulation in the body) by limiting sweat evaporation (usually sweat evaporates into the environment when the humidity is low because the air has low "water levels" per say while you have high "water levels" because of your sweat

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