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Charra [1.4K]
3 years ago
10

The Roman aqueducts were an important advance in public:

Biology
1 answer:
Kamila [148]3 years ago
4 0
The Roman aqueducts were an important advance in public: A) hygiene
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Ecosystem should be correct sorry if I am wrong
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In the formation of baby boy or baby girl, mother does not have the main role. why?​
svp [43]
A child's gender (male or female) is determined by the chromosome that the male parent contributes.

Females have XX sex chromosomes.

Males have XY sex chromosomes.

A male infant results if the male contributes his Y chromosome while a female infant results if he contributes his X chromosome.
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3 years ago
Create a food chain that contains four organisms from a producer through three consumers using corn, rabbit, grass, wolf, snake,
inessss [21]

Answer:

Corn → rat → hawk → wolf

Explanation:

A food chain is a linear relationship that shows the feeding pattern of different organisms. The food chain portrays which organism located in one trophic level eats another. A forward arrow (→) is used to show that the organism after the arrow feeds on the organism before the arrow.

Every food chain starts with an organism called PRODUCER, which is capable of supplying the energy that is transferred from one organism to another. The energy moves along organisms called CONSUMERS as they feed on one another. According to this question, the below food chain shows the feeding relationship between four organisms:

Corn → rat → hawk → wolf

Note that, corn is the PRODUCER, while rat, hawk and wolf are CONSUMERS

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3 years ago
Which of the following best describes how cleaning products like chlorine, hydrogen peroxide, and soap influence the infectious
cupoosta [38]

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A

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Which of the following is a correct difference between active transport and facilitated diffusion?
sweet-ann [11.9K]

Answer:

Active transport requires energy from ATP while facilitated diffusion does not

Explanation:

Active transport and facilitated diffusion with the use of channel and carrier proteins are both ways by which ions, polar and large molecules cross a selectively permeable membrane.

The major difference is that; Active transport transport these particles from a low to high concentration, which is against concentration gradient and hence, energy is required to perform the task

Facilitated diffusion transport from a high to low concentration, which is through a concentration gradient and hence, no energy is required to perform the task.

6 0
3 years ago
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