Which human activity creates the least threat to global stability

Answers

Answer 1

Answer: the human activity that creates the least threat to global stability is : Reuse of Plastic bags.
Plastic bag need a lot of time to be degraded in the soil which will create a threat to the environment. Reusing plastic bag will reduce this threat.

hope this helps

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Matching.1. Water:
2. Where almost all weather occurs:
3. Where the ozone layer is located:
4. The highest altitude:
5. “Middle layer” of atmosphere:
a. hydrosphere
b. troposphere
c. mesosphere
d. stratosphere
e. thermosphere

Answers

(D) Stratosphere where all of the 5 items matched. It is where the ozone layer is located; on its lower portion. It is also where altitude is the highest because of the ozone's absorption of the sun's ultraviolet radiation. It is the "middle layer" of the atmosphere.

For glycolysis to produce ATP when no oxygen is present, it is necessary for cells to convert _____ to _____.A. ATP to NAD+
B. ATP to ADP
C. NADH to ATP
D. NADH to NAD+

Answers

The answer is D. NADH to NAD+

When no oxygen is present, anaerobic respiration occurs.It is the only way to produce ATP in this condition.NAD+ is necessary because it is converted into NADH and at the same time ADP is converted to ATP in the reaction of pyruvate synthesis from glucose.Therefore, NADH must be converted to NAD+ in order to have NAD+ always present in the cell.

What do lysosomes produce that are essential to their function? A. Proteins
B. Ribosomes
C. Transport vesicles
D. Digestive Enzymes

Answers

I think the correct answer from the choices listed above is option D. Lysosomes produce digestive enzymes that are essential to their functions. They decompose the products of ingestion and makes the pH more acidic. They digest food for the cell. Hope this answers the question.

So i'm doing some test stuff and im kind of sucky at science sooocan someone help me?

Question 1
The excretory system lets go of wastes in the body.
A. True
B. False

Question 2
The endocrine system includes organs such as the:
A. Stomach and intestines.
B. Arms and legs.
C. Spinal cord
D. Bones and muscle

Question 3

The digestive system usually involves breaking down food in order for a body to use it as an energy source. (im pretty sure i know this one...)
A. True
B. False

Question 4
Which body system has a main focus on the heart, blood and veins?
A. Skeletal
B. Urinary
C. Circulatory
D. Nervous
Question 5
Which body system deals mainly with the lungs?
A. Respiratory
B. Circulatory
C. Excretory
D. Skeletal
thats all

Answers

I'll do my best to help you pal!
1)True
2)A
3)A
4)C
5)A
Good Luck!

What is ribose in rna

Answers

It’s a sugar found in RNA but not in DNA

It's a 5-carbon-sugar that's an important component to nucleotides, which are found in RNA

How are specific features and traits passed on from one generation of living organisms to their offspring? Options: a) Through a process called natural selection. b) Through the exchange of genetic material. c) Through the influence of the environment. d) Through acquired characteristics during an organism's lifetime.