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arlik [135]
3 years ago
14

Pls help. I have the question in a ss

Chemistry
1 answer:
gladu [14]3 years ago
4 0

Answer:

D.

Explanation:

The hypothesis was that speed would increase with the addition of mass from passengers. The data shows that when passengers/mass are added, speed decreases.

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Which scenario best describes a relationship of parasitsm
saveliy_v [14]
Parasitism... basically a tick and a dog. The dog is the host, which is harmed by the tick.
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3 years ago
An element with a mass number of 11 and an atomic number of 5 has how many<br> neutrons?
Goryan [66]

Answer:

6 neutrons

Explanation:

6 neutrons

Boron having an atomic number of 5 means that it will have 5 protons. 11 atomic mass units in total. Neutrons also have a atomic mass unit of 1. So there are 6 neutrons

7 0
2 years ago
Two students are working together to build two models. Both models will represent the molecular structure of sodium bicarbonate,
vfiekz [6]

Answer:

Altogether for both models; two red jellybeans, two white jellybeans, two black jellybeans and six blue jellybeans.

<em>Note: Since no specific color was stated for oxygen atoms, the answer assigns blue colored jellybeans to represent oxygen atoms.J</em>

Explanation:

Sodium bicarbonate, NaHCO₃ is a compound composed of one atom of sodium, one atom of hydrogen, one atom of carbon and three atoms of oxygen.

Since red jellybeans represent sodium atoms, white jellybeans represent hydrogen atoms, black jellybeans represent carbon atoms and blue jellybeans represent oxygen atoms, each of the two students will require the following number of each jellybean for their model of sodium carbonate: One red jellybean, one white jellybean, one black jellybean and three blue jellybeans.

Altogether for both models; two red jellybeans, two white jellybeans, two black jellybeans and six blue jellybeans.

8 0
3 years ago
What is the advantage of using the electromagnetic spectrum model?
9966 [12]

Explanation:

The  scientists used the term electromagnetic spectrum to describe the entire range of light that exists in the universe. From gamma rays to radio waves, most of the light  present in the universe invisible to us.

               The electromagnetic spectrum describes all the wavelengths of light. It explores an otherwise invisible universe, from an exploding stars to the dark nebulae.

The electromagnetic spectrum that consists of radio waves (used in commercial television and radios, radar, microwaves ), infrared radiation, visible light, gamma rays, x-rays and ultraviolet radiation rays. All the wavelengths and frequencies of the electromagnetic spectrum is used in spectroscopy.

3 0
3 years ago
Read 2 more answers
True or false: The Earth's rotation causes the winds to curve.
Rashid [163]

Answer:

true

Explanation:

3 0
2 years ago
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