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erma4kov [3.2K]
3 years ago
13

The capital of Costa Rica?

Biology
2 answers:
enyata [817]3 years ago
8 0
The capital city of Costa Rica is San Jose.
Vilka [71]3 years ago
4 0
The capital city of Costa Rica is San Jose.
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Describe how the presence of lead in body cells could interfere with the
ahrayia [7]

Answer:

Descreva como a presença de chumbo nas células do corpo pode interferir com o capacidade de funcionamento das enzimas. *

Explanation:

espero ter ajudado boa noite

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2 years ago
Passive transport is the net movement of substances down a concentration gradient that requires metabolic energy. Active transpo
Dafna1 [17]

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The statement is false.

Explanation:

Passive transport moves molecules from one side of the membrane to the other with the energy of the chemical gradient (or concentration gradient). Otherwise, active transport uses the hydrolyzation of ATP to gain energy in order to move molecules across the membrane without taking into account the gradient.

4 0
4 years ago
What part of the female system is the usual site of fertilization of the ovulated oocyte?.
Paul [167]

Fertilization of the egg cell by the sperm usually takes place in the fallopian tube. The fertilized egg then travels to the uterus and implants in the endometrium.

<h3>What are fallopian tubes?</h3>
  • Fallopian tubes are also called oviducts or uterine tubes. It is the passage through which the egg enters the uterine cavity from the ovary.
  • Fallopian tubes are part of the reproductive tract. They have a smooth muscle wall, an inner mucous membrane, and an outer layer of loose supporting tissue (serosa).
<h3>Why does fertilization take place in the fallopian tubes?</h3>

The fallopian tube (oviduct) regulates fertilization through sperm induction and sperm hyperactivity. Sperm induction is achieved by rheotaxis, thermotaxis, and chemotaxis. Rheotaxis is caused by tubal fluid that creates a current flow from the tubal ampulla to the tubal isthmus.

To learn more about fallopian tubes visit:

brainly.com/question/12711470

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8 0
1 year ago
the steps of self pollination. In your own words, describe what happens in each step. pls give me 5 step in order
Mekhanik [1.2K]

Answer:

Steps are down below

Explanation

1. A small grain of pollen goes onto the stigma

2. Insects go into flowers and brush against the anther and is coated with pollen.

3. Pollen may fall onto the stigma of the next flower

4. Pollen falls onto the stigma of next flower

5. A small seed forms in the ovary of that plant

4 0
3 years ago
What are some ways to prevent wind erosion in a dry, sandy area
Kitty [74]
Preventing wind erosion in a dry, sandy area is feasible through any of the following land-use practices:

a. Tillage - creates soil roughness by making furrows and ridges that are perpendicular to the direction of the wind. 
b. Crop rotation - rotations of legumes followed by shrubs followed by trees then back to legumes work best.
c. Intercropping - is the most widely used particularly in countries with desert areas. One of the most popularly used is oasis agriculture that makes use of about 3 layers of vegetation. 


7 0
3 years ago
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