A positive control is a group in an experiment that receives a treatment with a known result, and therefore should show a particular change during the experiment. It is used to control for unknown variables during the experiment and to give the scientist something to compare with the test group.

7 0

4 years ago

Which of these examples demonstrates homeostasis?

quester [9]

A persons body increases blood flow to its cold feet. hope it helped you. Please mark as the brainliest if it helped.

4 0

3 years ago

Activity 2 Label the parts of the female reproductive system

amm1812

Answer:

See explanation

Explanation:

The female reproductive system is composed of internal and external sex organs. These organs are immature at birth but develops during puberty and enable the production of gametes or sex cells, and are also equipped with structures to carry a foetus during pregnancy.

The exterior of the female reproductive organ consists of the vagina and its associated structures. The vagina now leads to other internal structures in the female reproductive system such as uterus, fallopian tubes, cervix, and ovary.

An image of the full anatomy of the female reproductive system is shown in the image attached to this answer.

Image credit: topperlearning

8 0

3 years ago

Table 2. Philippine Volcanoes Worth Seeing

mestny [16]

Answer:

Twenty two.

Explanation:

There are about 200 volcanoes present in the country of Philippines but only 22 volcanoes are active. active volcanoes refers to those from which Lava eruption occurs. Among 22 active volcanoes, majority of volcanoes are present on the Island of Luzon. Mayon, Hibok-Hibok, Pinatubo, Taal, Kanlaon and Bulusan are the most active volcanoes present in Philippines.

7 0

3 years ago

A stream or river that runs into another stream or river is called a​

A stream or river that runs into another stream or river is called a