1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Greeley [361]
2 years ago
5

Density is mass per unit of volume. Which pair of lab instruments would a student use to measure the density of seawater?

Biology
1 answer:
9966 [12]2 years ago
7 0
<h3>Answer:  C. a balance and a beaker</h3>

Explanation:

A balance would be used to measure the weight, which in turn effectively measures the mass (more or less). Imagine that we have a brick that we know is 1 pound. If we have an object that needs 5 bricks on one side to balance it out, then we know the object is 5 pounds.

The beaker is used to measure the volume. It's basically a measuring cup that you would find in the kitchen.

To get the density, you divide the mass over volume.

For example, if you have a material that has a mass of 100 grams and it's volume is 20 cm^3, then its density is 100/20 = 5 grams per cm^3.

You might be interested in
A 154-lb adult man performs a moderate level of physical activity and regularly consumes 2700 Calories a day. State whether the
Arte-miy333 [17]

Answer:

The correct answer would be - remain the same.

Explanation:

In the given table showing the average daily calories requirement according to the weight of the adult men. Which is as follows:

weight                daily intake

132                        2250

154                        2450

176                        2650

198                        2850

220                       3050

242                       3250

In this, the highlight weight and required calories should be taken by the man who does not perform any physical exercise but according to the question a man with 154 lb perform a moderate exercise, and according to the CDC a 154 lb men can burn anywhere between 140 and 295 calories in 30 minutes by moderate exercise for an hour.

Thus, the total calories he takes: 2700

burn by exercise: 295

should take: 2450

then = 2700 - (2450+295)

= 50 calories over the limit that will have negligible effect on the weight.

6 0
3 years ago
The United States’ fossil fuel shortage of makes the country dependent on outside sources.
Rainbow [258]
The answer is oil.

The United States' fossil shortage of oil makes the country dependent on outside sources. Mineral oil such as crude oil or commonly known as petroleum came from the ancient fossilized organic materials. This resource is limited. The US is now facing a shortage in oil and becoming dependent to some countries such as middle-east countries.
8 0
3 years ago
Cartography is the science of A. mapmaking. End of exam B. the prime meridian. C. cartoon graphics. D. the solar system.
Anit [1.1K]
The answer to your question is A
3 0
3 years ago
Read 2 more answers
What was the purpose of religious camp meetings in the early 1800s?
Mariana [72]
Revivals. They would gather large groups of people together and preach for lengthy periods of time, often more than three hours. These were occumpanied sometimes by odd twitchings (the holy twitches) People falling d wn and rolling on the ground, and shouting. It helped to convert People to a certain denomination, but it is important to note that mostly women attended these revivals

8 0
3 years ago
Identify two oral conditions related to nutritional factors
Lina20 [59]
Ill look for it hold on
8 0
3 years ago
Other questions:
  • Does air have weight? If so please explain
    15·2 answers
  • What two gases move in and out of the leaf stomata
    12·1 answer
  • HELP I need a lab report for edginuity, I will give brainiest. It is on elecrro magnets and magnetic fields if you have already
    8·1 answer
  • What would be the result of a mutation that deactivates the regulatory gene of a repressible operon in an escherichia coli cell?
    10·1 answer
  • How does the temperature change throughout the cycle on an average star?​
    8·1 answer
  • Use your codon chart and tell me what amino acids are coded for by the mRNA sequence AUG CGG UCC GGA
    5·1 answer
  • A scientist is studying a cell and can clearly see that it has rib
    9·1 answer
  • Plss help me with this carbon cycle!!!!
    9·1 answer
  • Describe the characteristics of protists.
    15·1 answer
  • Ron is observing an onion cell on a slide under a microscope. He sees chromatids being pulled to opposite ends of the cell. Whic
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!