Please help science grade 7

Answers

Answer 1

Answer:

i think the first one means if you have the bottom of your esr attached or detached then it asks to see if someone else in your family has it

Related Questions

Why is the temperature of the liquid in the flask on the previous page measured when the liquid in the thermometer has stopped rising? Explain

How can the thermometer in the flask on the previous page be used to demonstrate the relationship between heat transfer and kinetic energy? Explain.

Answers

Answer:

when heated, the molecules of the liquid in the thermometer move faster, causing them to get a little further apart. this results in movement up the thermometer. when cooled, the molecules of the liquid in the thermometer move slower, causing them to get a little closer together.

Explanation:

hope this helps!!!!

Dichotomous Keys are arranged in set of couplets.

True
False

Answers

Answer:

True

Explanation:

Conventional dichotomous keys consist of a series of paired choices called couplets. Each couplet presents the user with two alternative and exclusive sets of characters that distinguish one group of organisms from the other.

hope this heps!

The correct answer is true :)

In meiosis, what is a fertilized cell known as?

How many chromosomes exist after fertilization?

Answers

Answer:

46 chromosomes and the zygote cell

Explanation:

Answer:

46 chromosomes, the zygote cell

Explanation:

Hey, can someone help? I can’t understand this. (I’m not a scientist y’know.)

Answers

Answer:

thats so easy the answer is 3

Explanation:

it's easy 2 + 2 = 4 easy

Which are characteristics of the integumentary system? Select two options. Skin’s outer layer has living cells. Hair helps regulate temperature. Oil glands produce sweat and oil. Nails protect nerves. Hair stays on the head for two months.

Answers

Answer: The integumentary system consists of the skin, hair, nails, glands, and nerves. Its main function is to act as a barrier to protect the body from the outside world. It also functions to retain body fluids, protect against disease, eliminate waste products, and regulate body temperature.

the answers are the first and second options

Explanation:

The integumentary system's features include that hair regulates body temperature and that nails shield nerves. The correct options are B and D.

What is the integumentary system?

The largest organ in the body is the integumentary system. The system includes skin, dermis, epidermis, hair, nails, and other tissues. They protect the body from the elements by covering it.

The function of hair is to control the temperature of the body, and the nails protect the sensitive skin part and nerves.

Thus, the correct options are B, Hair helps regulate temperature, and D, Nails protect nerves.

Learn more about the integumentary system, here:

https://brainly.com/question/3492100

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