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
Ahat [919]
3 years ago
10

An atom that has 19 protons, 21 neutrons, and 18 electrons has a mass of ____? *

Biology
1 answer:
Paul [167]3 years ago
3 0

Answer:

19 - Potassium - K.

Explanation:

You might be interested in
A student examining leaf cross sections under a microscope finds many loosely packed cells with relatively thin cell walls. The
sergey [27]

They are called parenchyma.

<h3>What is called Parenchyma?</h3>

The term "parenchyma" refers to the tissues that are employed for function in both plants and animals. Unlike "structural" tissues like wood in plants or bone in animals, this tissue is "functional," carrying out activities like photosynthesis in plants or information stored in the human brain.

A specific kind of ground tissue with thin cell walls and the capacity to expand and divide is referred to as parenchyma in plants. The majority of the cells in leaves, flowers, and fruits are parenchyma. In these formations, "structural" rather than "parenchymal" tissue makes up the hard, structural elements including bark, outer coatings, and major veins.

To learn more about Parenchyma, visit:

brainly.com/question/1327882

#SPJ4

6 0
2 years ago
Help me. I will give brainIiest and high points.
Sonja [21]

Answer:

Mutualism

I think.

4 0
3 years ago
Read 2 more answers
What are feeds with low fiber content and a high nutrient content?
marysya [2.9K]

Answer:

Feeds that are high in energy include greater than 70% Total Digestible Nutrients (TDN) and low in fibre includes less than 18% Carbon fibers  (CF) and less than 20% protein.

Feeds with low fiber content and a high nutrient content includes Cereal grains such as wheat, barley, corn, oats, rye, and sorghum grain.

8 0
3 years ago
Short speech on earth day for Grade 2
kipiarov [429]

Answer:

Earth is one of the eight planets of our planetary group that rotates around the sun.

Earth is the main known planet that upholds life in the whole planetary group.

World Earth Day is commended on the 22nd of April consistently. It is to increment public attention to the Earth's economical climate.

World Earth Day features the significance of ecological assurance for the endurance of life.

It is accepted that the Earth should be 4.5 billion years of age.

Right around 70% of the outer layer of the Earth is covered with water. Thus, it is known as a blue planet and an extraordinary planet.

Earth has an air holding back 20% of the oxygen that aides in the endurance of living creatures.

Gases like oxygen, carbon dioxide, and nitrogen in the Earth's environment assist plants with developing.

Earth is spheroid in shape. It is critical contrasted with different planets like Mercury, Mars, Neptune, Pluto, and Venus.

Earth finishes its circle around the sun in 365 days. In such a manner, it makes a jump year once in four years.

5 0
3 years ago
The lesson question for this lab is "what is the effect of the type of food available on the frequency os different types of bir
____ [38]

Answer:

The food type changes in a given environment, then the amount of each type of bird beak will changes as birds with beaks more suited to the available food will consume more successfully over time. The independent variable of the lab is the type of food that is available to the birds.

6 0
3 years ago
Other questions:
  • The advantages of the reduced gametophytes in seed plants include ________. the advantages of the reduced gametophytes in seed p
    10·1 answer
  • What insights did Darwin’s voyage provide ?
    10·2 answers
  • The __________ are saclike structures that facilitate gas exchange in the respiratory zone.
    11·1 answer
  • What is transcripton!
    10·2 answers
  • Occurs when a trait is controlled by a group of gene pairs
    15·1 answer
  • Starting with shredded spinach leaves, you follow a procedure that separates cellular organelles into different fractions. To id
    8·1 answer
  • How are living organisms related
    8·1 answer
  • Mendel’s pea plants had either purple or white flowers. This means that the plants
    11·2 answers
  • True or false: Torn cartilage heals slowly because it lacks a direct blood supply and nutrients have to be obtained by diffusion
    10·2 answers
  • For HOW LONG can humans be considered as carbon sinks?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!