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Brrunno [24]
3 years ago
9

What is the source of energy for nearly all life on earth

Biology
1 answer:
Yanka [14]3 years ago
7 0
The sun i believe.?..

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The large muscular sac that continues the mechanical and chemical digestion of food
S_A_V [24]

Answer:

stomach

Explanation:

uh stomach lol i mean when you swallow it goes to your stomach and you just digest it

3 0
2 years ago
Osteoarthritis is a disease that results in a thinned or absent layer of cartilage surrounding bones, causing bones to rub again
Diano4ka-milaya [45]

The correct answer is connective tissue.

Osteoarthritis refers to the most general kind of arthritis, influencing various individuals all over the globe. It takes place when the protective cartilage on the terminals of the bones wears down with time.

However, osteoarthritis can destruct any joint in the body; the ailment most usually influences the joints in the knees, hands, spine, and hips. Cartilage is a flexible connective tissue, found in the articulating surfaces of the joints. Thus, the condition osteoarthritis affects the connective tissue.

8 0
3 years ago
Read 2 more answers
Scientists cannot define life, but they can list characteristics that are true of all life
pychu [463]
What are you asking for here? we need a solid question not a statement.

i'd say that the statement is true. we cant define life because we do not know what life, in essence, is. we can define, however, the characteristice of all living things:
Movement
Respiration
Sensitivity

Nutrition
Excretion
Reproduction
Growth

MRS NERG
5 0
3 years ago
Plz help me really wask i am beging for u and thank u ! The conception phase of the product life cycle could be described as dea
topjm [15]

Answer:

B. Manufacturing

Explanation:

because it is

6 0
2 years ago
The-attraction of the positive side of one water
Anna71 [15]

Answer:

B = hydrogen bonding

Explanation:

The water molecule consist of two hydrogen atom one oxygen atom. There is large electronegativity difference between oxygen and hydrogen. Both atoms are bonded through covalent bonds.

Covalent bond:

It is formed by the sharing of electron pair between bonded atoms.  

The atom with larger electronegativity attract the electron pair more towards it self and becomes partial negative while the other atom becomes partial positive.

For example:

In water the electronegativity of oxygen is 3.44 and hydrogen is 2.2. That's why electron pair attracted more towards oxygen, thus oxygen becomes partial negative and hydrogen becomes partial negative.  The partial positive end of one water molecule attracted towards the partial negative end of other moleucle. The attraction between them is called hydrogen bonding. In this way large mole are connected with each other. Hydrogen bonding is actually a weak bonding.

3 0
3 years ago
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