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siniylev [52]
3 years ago
15

Which of the following is NOT a way to transmit STIs?

Biology
2 answers:
Sophie [7]3 years ago
5 0

The answer is c. not b.


Zanzabum3 years ago
5 0

The correct answer is option C, sharing a dinner utensil

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Name on ion that have entered the plant by diffusion. Explain your answer
Anna11 [10]

Answer:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.

6 0
2 years ago
How do photosynthesis and aerobic cellular respiration depend upon each other?
gayaneshka [121]
Photosynthesis gives out oxygen and takes in carbon dioxide
Aerobic respiration uses the oxygen and gives out carbon dioxide
-Making a cycle

(Without the respiration the cell would die which would stop photosynthesis)

Hope this helps!!
8 0
3 years ago
Why is calcium (Ca) in group 2, period 4 on the periodic table?
Brums [2.3K]

Answer:

Calcium is a silvery-white, soft metal that tarnishes rapidly in air and reacts with water. Calcium metal is used as a reducing agent in preparing other metals such as thorium and uranium. It is also used as an alloying agent for aluminium, beryllium, copper, lead and magnesium alloys. Calcium is essential to all living things, particularly for the growth of healthy teeth and bones. Calcium phosphate is the main component of bone. The average human contains about 1 kilogram of calcium.

Explanation:

5 0
2 years ago
Why do biologists measure the number of trophic levels in an ecosystem?
slega [8]

Answer:

Biologists measure the number of trophic levels in an ecosystem so as to check its stability and health.

Explanation:

Trophic levels are the feeding position in a food chain such as primary producers, consumers, etc. They are positions that an organisms occupies in a food chain (series of steps in which organisms transfer energy by eating or being eaten);- what it eats and what eats it. 

Theoretically there is no any limit to the number of trophic levels in a food chain or number of organisms that live on each level.

3 0
3 years ago
¿De qué manera me doy cuenta de que el cambio climático está ocurriendo?
Evgesh-ka [11]
Intuit se ha comprometido durante una década a superar la neutralidad de carbono para impactar positivamente el planeta y crear un futuro mejor para todos. Utilizando nuestras métricas de huella de carbono de 2018 como base, nos comprometemos a reducir las emisiones de carbono 50 veces. Para lograr nuestro objetivo, debemos mirar más allá de nuestras propias operaciones y buscar soluciones para empleados, clientes, comunidades y socios.
3 0
3 years ago
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