CHEMISTRY MIDDLE SCHOOL

Which of the following is not a producer?Mushroom
Tulip
Grass
Pine Tree

Answers

Answer 1
Answer: Mushroom is not a producer
Answer 2
Answer:

Answer:

A- mushroom

Explanation:

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If i walk 25 steps north than 75 steps south, what is my final position

I need help on both pls. I need correct answers

Answers

1. When a lion eats a zebra and then uses the energy from the zebra to run, the lion's body converts **chemical energy -> mechanical energy**. The energy stored in the chemical bonds of the zebra's tissues (from its food) is converted into mechanical energy as the lion's muscles contract and allow it to move.

2. In gym class, as you run a mile, your body undergoes the following energy transformation: **chemical to mechanical and thermal**. The chemical energy stored in the food you've consumed is converted into mechanical energy as your muscles propel you forward during the run. Some of this energy is also transformed into thermal energy due to the heat generated by your muscles working.

Which requires the removal of heat, melting or freezing?Is it evaporation? What is it? Why?

Answers

Freezing. If you take away energy from something, (lower its temperature), it will freeze. If you add heat to something, it will melt if it is a solid and evaporate if it is a liquid.

When you add energy to something, the atoms which comprise the substance jiggle and vibrate, meaning that on a large scale, a solid will become a liquid, and a liquid will become a gas.
Freezing, just think about it, the colder it gets the more likely there is going to be snow/ hail/ ice

When studying seismic records from all over the globe, what did scientists find out about the pattern of earthquakes?A-Many earthquakes are concentrated in narrow zones near earth's poles.

B-Many earthquakes are concentrated in narrow zones at the centers of plates.

C-Many earthquakes are concentrated in narrow zones along plate boundaries.

D-Most earthquakes occur deep under the ocean.

(I was thinking C but i'm not sure...)

Answers

Its C. Many earthquakes are concentrated in narrow zones along plate boundaries

The answer is C-Many earthquakes are concentrated in narrow zones along plate boundaries.

C

What is groundwater flow

Answers

Part of the steam flow that has infiltrated the ground, has entered the phreatic zone and has been discharged into a stream channel. 
Groundwater is water that is found underground in cracks and spaces in the soil ,sand and rocks

Why don't molecular compounds conduct electricity when dissolved in water?

Answers

they do conduct electricity. they don’t conduct electricity when solid

Answer:

Person above me is correct

Explanation:

be nice to eacher

What might happen to an organism if its habitat could not meet one of its needs?

Answers

The organism could adapt over time and find another way to satisfy this need, it could move to a new location, or the organism could eventually die off.
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Hemoglobin is the protein responsible for transporting O2 throughout the body. Each molecule of hemoglobin combines with four molecules of O2. If 1.22 g of hemoglobin combines with 1.53 mL of O2 at 37 °C and 743 torr, what is the molar mass of hemoglobin based on this experiment?