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beks73 [17]
3 years ago
13

Material use to investigate water, silver, oyxgen gas,carbon dioxide by a scientist

Biology
1 answer:
Radda [10]3 years ago
4 0
A scientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas. They are each made of matter. Some are compounds and some are elements. They all contain atoms. [ -best describe all of the materials he is using in the investigation. ]
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Marvin is suffering from the early stages of alzheimer's disease. which component of his working memory is most likely to be aff
olga nikolaevna [1]
Correct answer:
"All of these are equally affected."

When in Alzheimer's disease, all of the working memory is in peril. In early stages of Alzheimer's disease, all of these functions start to have problems. Phonological loop is basically the capacity to memorise speech or information in it. Central executive is the ability to switch attention from one activity to another that is needing more attention. The visuospatial sketch pad is the ability to handle visual and spatial information being able to judge distances for example. All of these are part o the working memory and are affected from the early stages of Alzheimer's disease.
3 0
3 years ago
What two substances control the movement of materials into and out of the cell
aivan3 [116]
The cell membrane, and probably the cytoplasme
8 0
2 years ago
The sternocleidomastoid muscles help to flex the neck. What are their antagonists
White raven [17]

Answer:

Trapezius.

Explanation:

Sternocleidomastoid muscles may be defined as one of the largest superficial cervical muscle. The main function of this muscle is the neck flexion and the head rotation.  

Trapezius muscle is the large muscle that extend from the occipital bone. The main function of the trapezius muscle is the scapula movement and support of the arm. Trapezium muscle resist the neck flexion and works as the antagonist to the trapezius muscle.

Thus, the answer is trapezius.

5 0
3 years ago
Variation in great horned owl body size due to food supply can / cannot be acted on by
disa [49]

Answer:

Variation can be acted on by natural selection.

Explanation:

Variation are the difference that exist in the organism in terms of the body size and can be acted upon by natural selection.

Natural selection could act on the owl body size, favor the selection of owl with small body size especially when resources available are limited and can only sustain small number of individuals leading to availability of owl with small body size in such area and a gradual reduction in the number of owl with large body size.

7 0
3 years ago
From the laboratory exercise, match the plant group to the plant examined. [8 pt] Miniature Parlor Palm Coleus Blue Rabbit’s Foo
melamori03 [73]

Answer:

Miniature parlor palm- Angiosperm monocot

Coleus- Angiosperm eudicot

Blue rabbit's foot fern- pterophyte

Geranium- Angiosperm eudicot

Foxtail fern- Angiosperm monocot

Tree fern- Angiosperm monocot

Boston fern- pterophyte

Spider plant- Angiosperm monocot

8 0
3 years ago
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