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3 years ago

About 90 percent of the stars in space are ____ stars.

Biology

2 answers:

professor190 [17]3 years ago

5 0

The answer should be main sequence stars (stars with average temperatures and sizes). Hope this helps, bud.

Maslowich3 years ago

4 0

C. main sequence
is the right answer.
Main sequence stars fuse hydrogen atoms to form helium atoms in their cores.... and they are also too massive

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As you are cooking, your hand brushes up against a hot pan. You quickly pull your hand away. What type of stimulus is this?

slava [35]

Stimulus is something that causes a psychological response. It can be internal or external. The stimulus is the contact with the hot pan. It is an external stimulus. Sense organs, such as the sensory receptors in the skin are sensitive to external stimulus. The quickly pull of your hand is a reflex action.
The contact causes a nerve impulse that will travel to the spinal cord via the sensory neurons.To respond to the stimulus of the reflex arc, the muscle needs to contract to pull the hand quickly away from the hot pan.

8 0

3 years ago

Read 2 more answers

What is Primary succession is mostly caused by

Alexeev081 [22]

Primary succession occurs in essentially lifeless areas—regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier

3 0

3 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

VikaD [51]

Answer:

$\huge \text{\boxed{Hello, There! :)}}$

$\textbf{ \textit{The Correct Answer is Option A.}}}$

Explanation:

The anatomy of a child's brains can be divided into three parts:

- Cerebrum;

- Brainserm;

- Cerebellum.

The Cerebrum has the Cerebral cortex that is responsible for functions as coordination of movement, temperature, touch, vision, hearing, speech and language, judgment, reasoning, emotions and memory.

The Brainstem includes the medulla, midbrain, and the pons, being responsible for most of the involuntary movements.

The Cerebellum coordinate vonluntary muscle movements, and the balance of the body.

The part that stores the memory for a toddler as they are learning to walk is the cerebral cortex while the cerebellum coordinate and balance their movement to improve the walk with time.

Hope this Helps!
Have a wonderful day!

 $\boxed{InLoveWithNature}$ 

6 0

3 years ago

How is a Cell like a school? PLEASE ANSWER WITH A REAL ANSWER!!! DO NOT SAY "I DON'T KNOW!"

ehidna [41]

Answer:

Lysosome - Janitor, cleans up food particles, waste, and dead cell parts.

Nucleus - Principal, contains DNA and is the control center for the cell.

Cell Membrane - Basically the walls of the school building

Ribosomes - Cafeteria Workers, creates "food" by combining amino acids.

Hope this helps!

3 0

2 years ago

Read 2 more answers

Lesson Question:How can the presence of

kobusy [5.1K]

The given question is incomplete question as it lack essential part of question which is :

Ex: Write a hypothesis about the worms and lima bean plants. Be sure to answer the lab question.

Answer:

The correct answer would be : If plants grow in soil with worms, then growth of the lima bean plant will be greater due to worms helps in decomposing organic matter.

Explanation:

In this hypothesis the one species benefits other species in the same ecosystem they both exist. According to the hypothesis presence of the worms helps in the growth of the lima bean plants.

Dependent variable is a variable that depends on change in independent variable. Here the change in the presence of worms affects the growth of the bean plants so, the dependent variable is bean plant and the independent variable is presence of the worms.

Thus, the correct answer is : If plants grow in soil containing worms, then plant growth will be greater, because worms help decompose organic matter

6 0

3 years ago