A safety symbol is a sign or symbol on an object to show whether it can affect our bodies negatively. this is also a warning sign to people in the laboratories
Heredity is the passing on of physical or mental characteristics genetically from one generation to another.
Answer: The below are following hazards of four-legged animals and fish.
Explanation:
The four legged animals like cats, dogs, horse, and others need proper shelter, food, and care to survive.
They need to be taken outdoors for excretion, and walk.
The mating period is not fix and not easily done.
The four like fishes like turtle and squid are difficult to be handled in aquarium.
The four legged fishes do not come in fishing net during aquarium cleaning.
There are chances of being biten by four legged animals and their associated diseases like rabies.
These animals can lick the food we eat and contaminate the food.
The animal feces may produce air pollution.
The animal noise like dog bark can cause noise pollution. Thus can lead to problem of hypertension.
D. speeding
Gerunds are verbs that are added by -ing.
Examples.
1. Running
2. Skiing
3. Flying
4. Drawing
5. Fishing
6. Barking
7. Talking
8. Making
9. Cutting
10. Patting
The scientist is examining a disaccharide molecule.
Disaccharide is a form of sugar or carbohydrates or is an organic molecule that contains two simple sugars linked together. Like monosaccharides, disaccharides are the sugars soluble in water. Maltose, lactose, and sucrose are some examples.
Monosaccharides are joined to form disaccharide sugars through a condensation reaction, which requires the removal of a water molecule from the functional groups. A type of enzyme called a disaccharidase is used in the process of hydrolysis to separate a double sugar into its two monosaccharides.
To know more about sugars, refer to the following link:
brainly.com/question/19425391
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