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kaheart [24]
4 years ago
13

Which activity can occur without the use of energy?

Biology
1 answer:
Phoenix [80]4 years ago
3 0
Sounds like a multiple choice question, may I have the options?
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A student's grade goes from a 95 to a 65 in 3 weeks. Calculate
steposvetlana [31]

-10grade/week

Explanation:

Given parameters:

Initial grade = 95grade

Final grade = 65grade

Time = 3weeks

Unknown parameter:

Rate of change of grade = ?

Solution:

Rate is defined as the change of a quantity with time.

 Rate of change of grade  = \frac{Final grade - Initial grade}{Time}

Rate of change of grade  = \frac{65 - 95}{3} = \frac{-30}{3}

Rate of change of grade = -10grade/week

The rate of change of the student's grade is -10grade/week. It implies that the grade of the student reduces by 10unit per week.

5 0
3 years ago
What is the difference between muscle cells and nerve cells
4vir4ik [10]

I mean, there's plenty of differences between muscle and nerve cells. For one, they serve different functions. Nerve cells react and send stimuli rapidly through action potentials, functioning in the nervous system and allowing the brain to communicate with the rest of the body, while muscle cells allow muscles to move. Another difference is the structure of the cells, with nerve cells having dendrites, axons, and neurotransmitters to assist in the firing of action potentials. You're going to have to be a little more specific, I can't really help you any more with such a broad question.

3 0
3 years ago
Read 2 more answers
WILL GIVE A BRAINLEST
8_murik_8 [283]
We can rule out small fish and grasses. My guess is that zooplankton get their energy from phytoplankton, because phytoplankton use photosynthesis to get their energy.
7 0
3 years ago
A 16-year-old patient is seen in the emergency room for a knee injury that happened during a basketball game. Diagnostic tests r
tester [92]

Answer: B. Tendon

Explanation:

A tendon is a fibrous connective tissue which attaches muscle to bone. A tendon serves to move the bone or structure. Tendons may also attach muscles to structures such as the eyeball. While a ligament is a fibrous connective tissue which attaches bone to bone, and usually serves to hold structures together and keep them stable.

A bursa is a tiny fluid-filled sac that functions as a gliding surface to reduce friction between tissues of the body. The plural of bursa is bursae. There are 160 bursae in the body. The major bursae are located adjacent to the tendons near the large joints, such as the shoulders, elbows, hips, and knees.

A fascia is a band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs. From the various definitions given above shows that the tendon is the correct answer to the question asked.

5 0
3 years ago
Read 2 more answers
In the previous question a female dragon homozygous for tail spike mated with a male that was homozygous for no tail spike. what
OlgaM077 [116]
I believe the answer would be “B” Srry not good with science
6 0
3 years ago
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